darshan-parser.c 51.7 KB
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/*
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 * Copyright (C) 2015 University of Chicago.
 * See COPYRIGHT notice in top-level directory.
 *
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 */

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#include <stdio.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <string.h>
#include <zlib.h>
#include <time.h>
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#include <stdlib.h>
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#include <getopt.h>
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#include <assert.h>
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#include "uthash-1.9.2/src/uthash.h"
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#include "darshan-logutils.h"
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#define DEF_MOD_BUF_SIZE 1024 /* 1 KiB is enough for all current mod records ... */

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/*
 * Options
 */
#define OPTION_BASE  (1 << 0)  /* darshan log fields */
#define OPTION_TOTAL (1 << 1)  /* aggregated fields */
#define OPTION_PERF  (1 << 2)  /* derived performance */
#define OPTION_FILE  (1 << 3)  /* file count totals */
#define OPTION_FILE_LIST  (1 << 4)  /* per-file summaries */
#define OPTION_FILE_LIST_DETAILED  (1 << 6)  /* per-file summaries with extra detail */
#define OPTION_ALL (\
  OPTION_BASE|\
  OPTION_TOTAL|\
  OPTION_PERF|\
  OPTION_FILE|\
  OPTION_FILE_LIST|\
  OPTION_FILE_LIST_DETAILED)

#define FILETYPE_SHARED (1 << 0)
#define FILETYPE_UNIQUE (1 << 1)
#define FILETYPE_PARTSHARED (1 << 2)

#define max(a,b) (((a) > (b)) ? (a) : (b))

/*
 * Datatypes
 */
typedef struct hash_entry_s
{
    UT_hash_handle hlink;
    darshan_record_id rec_id;
    int64_t type;
    int64_t procs;
    void *rec_dat;
    double cumul_time;
    double slowest_time;
} hash_entry_t;

typedef struct file_data_s
{
    int64_t total;
    int64_t total_size;
    int64_t total_max;
    int64_t read_only;
    int64_t read_only_size;
    int64_t read_only_max;
    int64_t write_only;
    int64_t write_only_size;
    int64_t write_only_max;
    int64_t read_write;
    int64_t read_write_size;
    int64_t read_write_max;
    int64_t unique;
    int64_t unique_size;
    int64_t unique_max;
    int64_t shared;
    int64_t shared_size;
    int64_t shared_max;
} file_data_t;

typedef struct perf_data_s
{
    int64_t total_bytes;
    double slowest_rank_time;
    double slowest_rank_meta_time;
    int slowest_rank_rank;
    double shared_time_by_cumul;
    double shared_time_by_open;
    double shared_time_by_open_lastio;
    double shared_time_by_slowest;
    double shared_meta_time;
    double agg_perf_by_cumul;
    double agg_perf_by_open;
    double agg_perf_by_open_lastio;
    double agg_perf_by_slowest;
    double *rank_cumul_io_time;
    double *rank_cumul_md_time;
} perf_data_t;

/*
 * Prototypes
 */
void posix_accum_file(struct darshan_posix_file *pfile, hash_entry_t *hfile, int64_t nprocs);
void posix_accum_perf(struct darshan_posix_file *pfile, perf_data_t *pdata);
void posix_calc_file(hash_entry_t *file_hash, file_data_t *fdata);
void posix_print_total_file(struct darshan_posix_file *pfile);
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void posix_file_list(hash_entry_t *file_hash, struct darshan_name_record_ref *name_hash, int detail_flag);
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void mpiio_accum_file(struct darshan_mpiio_file *mfile, hash_entry_t *hfile, int64_t nprocs);
void mpiio_accum_perf(struct darshan_mpiio_file *mfile, perf_data_t *pdata);
void mpiio_calc_file(hash_entry_t *file_hash, file_data_t *fdata);
void mpiio_print_total_file(struct darshan_mpiio_file *mfile);
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void mpiio_file_list(hash_entry_t *file_hash, struct darshan_name_record_ref *name_hash, int detail_flag);
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void calc_perf(perf_data_t *pdata, int64_t nprocs);

int usage (char *exename)
{
    fprintf(stderr, "Usage: %s [options] <filename>\n", exename);
    fprintf(stderr, "    --all   : all sub-options are enabled\n");
    fprintf(stderr, "    --base  : darshan log field data [default]\n");
    fprintf(stderr, "    --file  : total file counts\n");
    fprintf(stderr, "    --file-list  : per-file summaries\n");
    fprintf(stderr, "    --file-list-detailed  : per-file summaries with additional detail\n");
    fprintf(stderr, "    --perf  : derived perf data\n");
    fprintf(stderr, "    --total : aggregated darshan field data\n");

    exit(1);
}

int parse_args (int argc, char **argv, char **filename)
{
    int index;
    int mask;
    static struct option long_opts[] =
    {
        {"all",   0, NULL, OPTION_ALL},
        {"base",  0, NULL, OPTION_BASE},
        {"file",  0, NULL, OPTION_FILE},
        {"file-list",  0, NULL, OPTION_FILE_LIST},
        {"file-list-detailed",  0, NULL, OPTION_FILE_LIST_DETAILED},
        {"perf",  0, NULL, OPTION_PERF},
        {"total", 0, NULL, OPTION_TOTAL},
        {"help",  0, NULL, 0},
        {0, 0, 0, 0}
    };

    mask = 0;

    while(1)
    {
        int c = getopt_long(argc, argv, "", long_opts, &index);

        if (c == -1) break;

        switch(c)
        {
            case OPTION_ALL:
            case OPTION_BASE:
            case OPTION_FILE:
            case OPTION_FILE_LIST:
            case OPTION_FILE_LIST_DETAILED:
            case OPTION_PERF:
            case OPTION_TOTAL:
                mask |= c;
                break;
            case 0:
            case '?':
            default:
                usage(argv[0]);
                break;
        }
    }

    if (optind < argc)
    {
        *filename = argv[optind];
    }
    else
    {
        usage(argv[0]);
    }

    /* default mask value if none specified */
    if (mask == 0)
    {
        mask = OPTION_BASE;
    }

    return mask;
}

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int main(int argc, char **argv)
{
    int ret;
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    int mask;
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    int i, j;
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    char *filename;
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    char *comp_str;
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    char tmp_string[4096] = {0};
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    darshan_fd fd;
    struct darshan_job job;
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    struct darshan_name_record_ref *name_hash = NULL;
    struct darshan_name_record_ref *ref, *tmp_ref;
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    int mount_count;
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    struct darshan_mnt_info *mnt_data_array;
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    time_t tmp_time = 0;
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    int64_t run_time = 0;
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    char *token;
    char *save;
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    char buffer[DARSHAN_JOB_METADATA_LEN];
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    int empty_mods = 0;
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    char mod_buf[DEF_MOD_BUF_SIZE];
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    hash_entry_t *file_hash = NULL;
    hash_entry_t *curr = NULL;
    hash_entry_t *tmp_file = NULL;
    hash_entry_t total;
    file_data_t fdata;
    perf_data_t pdata;

    memset(&total, 0, sizeof(total));
    memset(&fdata, 0, sizeof(fdata));
    memset(&pdata, 0, sizeof(pdata));

    mask = parse_args(argc, argv, &filename);
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    fd = darshan_log_open(filename);
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    if(!fd)
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        return(-1);

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    /* read darshan job info */
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    ret = darshan_log_get_job(fd, &job);
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    if(ret < 0)
    {
        darshan_log_close(fd);
        return(-1);
    }
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    /* get the original command line for this job */
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    ret = darshan_log_get_exe(fd, tmp_string);
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    if(ret < 0)
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    {
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        darshan_log_close(fd);
        return(-1);
    }

    /* get the mount information for this log */
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    ret = darshan_log_get_mounts(fd, &mnt_data_array, &mount_count);
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    if(ret < 0)
    {
        darshan_log_close(fd);
        return(-1);
    }

    /* read hash of darshan records */
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    ret = darshan_log_get_namehash(fd, &name_hash);
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    if(ret < 0)
    {
        darshan_log_close(fd);
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        return(-1);
    }

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    if(fd->comp_type == DARSHAN_ZLIB_COMP)
        comp_str = "ZLIB";
    else if (fd->comp_type == DARSHAN_BZIP2_COMP)
        comp_str = "BZIP2";
    else if (fd->comp_type == DARSHAN_NO_COMP)
        comp_str = "NONE";
    else
        comp_str = "UNKNOWN";

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    /* print job summary */
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    printf("# darshan log version: %s\n", fd->version);
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    printf("# compression method: %s\n", comp_str);
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    printf("# exe: %s\n", tmp_string);
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    printf("# uid: %" PRId64 "\n", job.uid);
    printf("# jobid: %" PRId64 "\n", job.jobid);
    printf("# start_time: %" PRId64 "\n", job.start_time);
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    tmp_time += job.start_time;
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    printf("# start_time_asci: %s", ctime(&tmp_time));
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    printf("# end_time: %" PRId64 "\n", job.end_time);
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    tmp_time = 0;
    tmp_time += job.end_time;
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    printf("# end_time_asci: %s", ctime(&tmp_time));
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    printf("# nprocs: %" PRId64 "\n", job.nprocs);
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    if(job.end_time >= job.start_time)
        run_time = job.end_time - job.start_time + 1;
    printf("# run time: %" PRId64 "\n", run_time);
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    for(token=strtok_r(job.metadata, "\n", &save);
        token != NULL;
        token=strtok_r(NULL, "\n", &save))
    {
        char *key;
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        char *value;
        /* NOTE: we intentionally only split on the first = character.
         * There may be additional = characters in the value portion
         * (for example, when storing mpi-io hints).
         */
        strcpy(buffer, token);
        key = buffer;
        value = index(buffer, '=');
        if(!value)
            continue;
        /* convert = to a null terminator to split key and value */
        value[0] = '\0';
        value++;
        printf("# metadata: %s = %s\n", key, value);
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    }
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    /* print breakdown of each log file region's contribution to file size */
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    printf("\n# log file regions\n");
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    printf("# -------------------------------------------------------\n");
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    printf("# header: %zu bytes (uncompressed)\n", sizeof(struct darshan_header));
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    printf("# job data: %zu bytes (compressed)\n", fd->job_map.len);
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    printf("# record table: %zu bytes (compressed)\n", fd->name_map.len);
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    for(i=0; i<DARSHAN_MAX_MODS; i++)
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    {
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        if(fd->mod_map[i].len)
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        {
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            printf("# %s module: %zu bytes (compressed), ver=%d\n",
                darshan_module_names[i], fd->mod_map[i].len, fd->mod_ver[i]);
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        }
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    }

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    /* print table of mounted file systems */
    printf("\n# mounted file systems (mount point and fs type)\n");
    printf("# -------------------------------------------------------\n");
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    for(i=0; i<mount_count; i++)
    {
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        printf("# mount entry:\t%s\t%s\n", mnt_data_array[i].mnt_path,
            mnt_data_array[i].mnt_type);
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    }
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    if(mask & OPTION_BASE)
    {
        printf("\n# description of columns:\n");
        printf("#   <module>: module responsible for this I/O record.\n");
        printf("#   <rank>: MPI rank.  -1 indicates that the file is shared\n");
        printf("#      across all processes and statistics are aggregated.\n");
        printf("#   <record id>: hash of the record's file path\n");
        printf("#   <counter name> and <counter value>: statistical counters.\n");
        printf("#      A value of -1 indicates that Darshan could not monitor\n");
        printf("#      that counter, and its value should be ignored.\n");
        printf("#   <file name>: full file path for the record.\n");
        printf("#   <mount pt>: mount point that the file resides on.\n");
        printf("#   <fs type>: type of file system that the file resides on.\n");
    }

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    /* warn user if this log file is incomplete */
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    pdata.rank_cumul_io_time = malloc(sizeof(double)*job.nprocs);
    pdata.rank_cumul_md_time = malloc(sizeof(double)*job.nprocs);
    if (!pdata.rank_cumul_io_time || !pdata.rank_cumul_md_time)
    {
        darshan_log_close(fd);
        return(-1);
    }
    else
    {
        memset(pdata.rank_cumul_io_time, 0, sizeof(double)*job.nprocs);
        memset(pdata.rank_cumul_md_time, 0, sizeof(double)*job.nprocs);
    }
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    for(i=0; i<DARSHAN_MAX_MODS; i++)
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    {
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        struct darshan_base_record *base_rec;
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        void *save_io, *save_md;
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        /* check each module for any data */
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        if(fd->mod_map[i].len == 0)
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        {
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            empty_mods++;
            continue;
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        }
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        /* skip modules with no logutil definitions */
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        else if(!mod_logutils[i])
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        {
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            fprintf(stderr, "Warning: no log utility handlers defined "
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                "for module %s, SKIPPING.\n", darshan_module_names[i]);
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            continue;
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        }
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        /* currently we only do base parsing for non MPI & POSIX modules */
        else if((i != DARSHAN_POSIX_MOD) && (i != DARSHAN_MPIIO_MOD) &&
                !(mask & OPTION_BASE))
            continue;
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        /* this module has data to be parsed and printed */
        memset(mod_buf, 0, DEF_MOD_BUF_SIZE);

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        printf("\n# *******************************************************\n");
        printf("# %s module data\n", darshan_module_names[i]);
        printf("# *******************************************************\n");

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        /* print warning if this module only stored partial data */
        if(DARSHAN_MOD_FLAG_ISSET(fd->partial_flag, i))
            printf("\n# *WARNING*: The %s module contains incomplete data!\n"
                   "#            This happens when a module runs out of\n"
                   "#            memory to store new record data.\n",
                   darshan_module_names[i]);

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        if(mask & OPTION_BASE)
        {
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            /* print a header describing the module's I/O characterization data */
            if(mod_logutils[i]->log_print_description)
                mod_logutils[i]->log_print_description();
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        }

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        ret = mod_logutils[i]->log_get_record(fd, mod_buf);
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        if(ret != 1)
        {
            fprintf(stderr, "Error: failed to parse the first %s module record.\n",
                darshan_module_names[i]);
            ret = -1;
            goto cleanup;
        }
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        /* loop over each of this module's records and print them */
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        do
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        {
            char *mnt_pt = NULL;
            char *fs_type = NULL;
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            char *rec_name = NULL;
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            hash_entry_t *hfile = NULL;
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            base_rec = (struct darshan_base_record *)mod_buf;
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            /* get the pathname for this record */
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            HASH_FIND(hlink, name_hash, &(base_rec->id), sizeof(darshan_record_id), ref);
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            if(ref)
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            {
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                rec_name = ref->name_record->name;

                /* get mount point and fs type associated with this record */
                for(j=0; j<mount_count; j++)
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                {
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                    if(strncmp(mnt_data_array[j].mnt_path, rec_name,
                        strlen(mnt_data_array[j].mnt_path)) == 0)
                    {
                        mnt_pt = mnt_data_array[j].mnt_path;
                        fs_type = mnt_data_array[j].mnt_type;
                        break;
                    }
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                }
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            }
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            else
            {
                if(i == DARSHAN_BGQ_MOD)
                    rec_name = "darshan-bgq-record";
            }

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            if(!mnt_pt)
                mnt_pt = "UNKNOWN";
            if(!fs_type)
                fs_type = "UNKNOWN";
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            if(mask & OPTION_BASE)
            {
                /* print the corresponding module data for this record */
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                mod_logutils[i]->log_print_record(mod_buf, rec_name,
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                    mnt_pt, fs_type, fd->mod_ver[i]);
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            }

            /* we calculate more detailed stats for POSIX and MPI-IO modules, 
             * if the parser is executed with more than the base option
             */
            if(i != DARSHAN_POSIX_MOD && i != DARSHAN_MPIIO_MOD)
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                continue;
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            HASH_FIND(hlink, file_hash, &(base_rec->id), sizeof(darshan_record_id), hfile);
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            if(!hfile)
            {
                hfile = malloc(sizeof(*hfile));
                if(!hfile)
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                {
                    ret = -1;
                    goto cleanup;
                }
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                /* init */
                memset(hfile, 0, sizeof(*hfile));
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                hfile->rec_id = base_rec->id;
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                hfile->type = 0;
                hfile->procs = 0;
                hfile->rec_dat = NULL;
                hfile->cumul_time = 0.0;
                hfile->slowest_time = 0.0;

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                HASH_ADD(hlink, file_hash,rec_id, sizeof(darshan_record_id), hfile);
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            }

            if(i == DARSHAN_POSIX_MOD)
            {
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                posix_accum_file((struct darshan_posix_file*)mod_buf, &total, job.nprocs);
                posix_accum_file((struct darshan_posix_file*)mod_buf, hfile, job.nprocs);
                posix_accum_perf((struct darshan_posix_file*)mod_buf, &pdata);
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            }
            else if(i == DARSHAN_MPIIO_MOD)
            {
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                mpiio_accum_file((struct darshan_mpiio_file*)mod_buf, &total, job.nprocs);
                mpiio_accum_file((struct darshan_mpiio_file*)mod_buf, hfile, job.nprocs);
                mpiio_accum_perf((struct darshan_mpiio_file*)mod_buf, &pdata);
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            }
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            memset(mod_buf, 0, DEF_MOD_BUF_SIZE);

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        } while((ret = mod_logutils[i]->log_get_record(fd, mod_buf)) == 1);
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        if (ret < 0)
        {
            ret = -1;
            goto cleanup;
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        }

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        /* we calculate more detailed stats for POSIX and MPI-IO modules, 
         * if the parser is executed with more than the base option
         */
        if(i != DARSHAN_POSIX_MOD && i != DARSHAN_MPIIO_MOD)
            continue;

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        /* Total Calc */
        if(mask & OPTION_TOTAL)
        {
            if(i == DARSHAN_POSIX_MOD)
            {
                posix_print_total_file((struct darshan_posix_file*)total.rec_dat);
            }
            else if(i == DARSHAN_MPIIO_MOD)
            {
                mpiio_print_total_file((struct darshan_mpiio_file*)total.rec_dat);
            }
        }

        /* File Calc */
        if(mask & OPTION_FILE)
        {
            if(i == DARSHAN_POSIX_MOD)
            {
                posix_calc_file(file_hash, &fdata);
            }
            else if(i == DARSHAN_MPIIO_MOD)
            {
                mpiio_calc_file(file_hash, &fdata);
            }

            printf("\n# files\n");
            printf("# -----\n");
            printf("# total: %" PRId64 " %" PRId64 " %" PRId64 "\n",
                   fdata.total,
                   fdata.total_size,
                   fdata.total_max);
            printf("# read_only: %" PRId64 " %" PRId64 " %" PRId64 "\n",
                   fdata.read_only,
                   fdata.read_only_size,
                   fdata.read_only_max);
            printf("# write_only: %" PRId64 " %" PRId64 " %" PRId64 "\n",
                   fdata.write_only,
                   fdata.write_only_size,
                   fdata.write_only_max);
            printf("# read_write: %" PRId64 " %" PRId64 " %" PRId64 "\n",
                   fdata.read_write,
                   fdata.read_write_size,
                   fdata.read_write_max);
            printf("# unique: %" PRId64 " %" PRId64 " %" PRId64 "\n",
                   fdata.unique,
                   fdata.unique_size,
                   fdata.unique_max);
            printf("# shared: %" PRId64 " %" PRId64 " %" PRId64 "\n",
                   fdata.shared,
                   fdata.shared_size,
                   fdata.shared_max);
        }

        /* Perf Calc */
        if(mask & OPTION_PERF)
        {
            calc_perf(&pdata, job.nprocs);

            printf("\n# performance\n");
            printf("# -----------\n");
            printf("# total_bytes: %" PRId64 "\n", pdata.total_bytes);
            printf("#\n");
            printf("# I/O timing for unique files (seconds):\n");
            printf("# ...........................\n");
            printf("# unique files: slowest_rank_io_time: %lf\n", pdata.slowest_rank_time);
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            printf("# unique files: slowest_rank_meta_only_time: %lf\n", pdata.slowest_rank_meta_time);
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            printf("# unique files: slowest rank: %d\n", pdata.slowest_rank_rank);
            printf("#\n");
            printf("# I/O timing for shared files (seconds):\n");
            printf("# (multiple estimates shown; time_by_slowest is generally the most accurate)\n");
            printf("# ...........................\n");
            printf("# shared files: time_by_cumul_io_only: %lf\n", pdata.shared_time_by_cumul);
            printf("# shared files: time_by_cumul_meta_only: %lf\n", pdata.shared_meta_time);
            printf("# shared files: time_by_open: %lf\n", pdata.shared_time_by_open);
            printf("# shared files: time_by_open_lastio: %lf\n", pdata.shared_time_by_open_lastio);
            printf("# shared files: time_by_slowest: %lf\n", pdata.shared_time_by_slowest);
            printf("#\n");
            printf("# Aggregate performance, including both shared and unique files (MiB/s):\n");
            printf("# (multiple estimates shown; agg_perf_by_slowest is generally the most accurate)\n");
            printf("# ...........................\n");
            printf("# agg_perf_by_cumul: %lf\n", pdata.agg_perf_by_cumul);
            printf("# agg_perf_by_open: %lf\n", pdata.agg_perf_by_open);
            printf("# agg_perf_by_open_lastio: %lf\n", pdata.agg_perf_by_open_lastio);
            printf("# agg_perf_by_slowest: %lf\n", pdata.agg_perf_by_slowest);
        }

        if((mask & OPTION_FILE_LIST) || (mask & OPTION_FILE_LIST_DETAILED))
        {
            if(i == DARSHAN_POSIX_MOD)
            {
                if(mask & OPTION_FILE_LIST_DETAILED)
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                    posix_file_list(file_hash, name_hash, 1);
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                else
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                    posix_file_list(file_hash, name_hash, 0);
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            }
            else if(i == DARSHAN_MPIIO_MOD)
            {
                if(mask & OPTION_FILE_LIST_DETAILED)
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                    mpiio_file_list(file_hash, name_hash, 1);
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                else
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                    mpiio_file_list(file_hash, name_hash, 0);
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            }
        }

        /* reset data structures for next module */
        if(total.rec_dat) free(total.rec_dat);
        memset(&total, 0, sizeof(total));
        memset(&fdata, 0, sizeof(fdata));
        save_io = pdata.rank_cumul_io_time;
        save_md = pdata.rank_cumul_md_time;
        memset(&pdata, 0, sizeof(pdata));
        memset(save_io, 0, sizeof(double)*job.nprocs);
        memset(save_md, 0, sizeof(double)*job.nprocs);
        pdata.rank_cumul_io_time = save_io;
        pdata.rank_cumul_md_time = save_md;

        HASH_ITER(hlink, file_hash, curr, tmp_file)
        {
            HASH_DELETE(hlink, file_hash, curr);
            if(curr->rec_dat) free(curr->rec_dat);
            free(curr);
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        }
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    }
    if(empty_mods == DARSHAN_MAX_MODS)
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        printf("\n# no module data available.\n");
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    ret = 0;
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    darshan_log_close(fd);
    free(pdata.rank_cumul_io_time);
    free(pdata.rank_cumul_md_time);
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    /* free record hash data */
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    HASH_ITER(hlink, name_hash, ref, tmp_ref)
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    {
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        HASH_DELETE(hlink, name_hash, ref);
        free(ref->name_record);
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        free(ref);
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    }

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    /* free mount info */
    if(mount_count > 0)
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    {
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        free(mnt_data_array);
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    }

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    return(ret);
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}
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void posix_accum_file(struct darshan_posix_file *pfile,
                      hash_entry_t *hfile,
                      int64_t nprocs)
{
    int i, j;
    int set;
    int min_ndx;
    int64_t min;
    struct darshan_posix_file* tmp;

    hfile->procs += 1;

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    {
        hfile->slowest_time = pfile->fcounters[POSIX_F_SLOWEST_RANK_TIME];
    }
    else
    {
        hfile->slowest_time = max(hfile->slowest_time, 
            (pfile->fcounters[POSIX_F_META_TIME] +
            pfile->fcounters[POSIX_F_READ_TIME] +
            pfile->fcounters[POSIX_F_WRITE_TIME]));
    }

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    {
        hfile->procs = nprocs;
        hfile->type |= FILETYPE_SHARED;

    }
    else if(hfile->procs > 1)
    {
        hfile->type &= (~FILETYPE_UNIQUE);
        hfile->type |= FILETYPE_PARTSHARED;
    }
    else
    {
        hfile->type |= FILETYPE_UNIQUE;
    }

    hfile->cumul_time += pfile->fcounters[POSIX_F_META_TIME] +
                         pfile->fcounters[POSIX_F_READ_TIME] +
                         pfile->fcounters[POSIX_F_WRITE_TIME];

    if(hfile->rec_dat == NULL)
    {
        hfile->rec_dat = malloc(sizeof(struct darshan_posix_file));
        assert(hfile->rec_dat);
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        memset(hfile->rec_dat, 0, sizeof(struct darshan_posix_file));
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    }
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    tmp = (struct darshan_posix_file*)hfile->rec_dat;
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    for(i = 0; i < POSIX_NUM_INDICES; i++)
    {
        switch(i)
        {
        case POSIX_MODE:
        case POSIX_MEM_ALIGNMENT:
        case POSIX_FILE_ALIGNMENT:
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            tmp->counters[i] = pfile->counters[i];
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            break;
        case POSIX_MAX_BYTE_READ:
        case POSIX_MAX_BYTE_WRITTEN:
            if (tmp->counters[i] < pfile->counters[i])
            {
                tmp->counters[i] = pfile->counters[i];
            }
            break;
        case POSIX_STRIDE1_STRIDE:
        case POSIX_STRIDE2_STRIDE:
        case POSIX_STRIDE3_STRIDE:
        case POSIX_STRIDE4_STRIDE:
        case POSIX_ACCESS1_ACCESS:
        case POSIX_ACCESS2_ACCESS:
        case POSIX_ACCESS3_ACCESS:
        case POSIX_ACCESS4_ACCESS:
           /*
            * do nothing here because these will be stored
            * when the _COUNT is accessed.
            */
           break;
        case POSIX_STRIDE1_COUNT:
        case POSIX_STRIDE2_COUNT:
        case POSIX_STRIDE3_COUNT:
        case POSIX_STRIDE4_COUNT:
            set = 0;
            min_ndx = POSIX_STRIDE1_COUNT;
            min = tmp->counters[min_ndx];
            for(j = POSIX_STRIDE1_COUNT; j <= POSIX_STRIDE4_COUNT; j++)
            {
                if(tmp->counters[j-4] == pfile->counters[i-4])
                {
                    tmp->counters[j] += pfile->counters[i];
                    set = 1;
                    break;
                }
                if(tmp->counters[j] < min)
                {
                    min_ndx = j;
                    min = tmp->counters[j];
                }
            }
            if(!set && (pfile->counters[i] > min))
            {
                tmp->counters[min_ndx] = pfile->counters[i];
                tmp->counters[min_ndx-4] = pfile->counters[i-4];
            }
            break;
        case POSIX_ACCESS1_COUNT:
        case POSIX_ACCESS2_COUNT:
        case POSIX_ACCESS3_COUNT:
        case POSIX_ACCESS4_COUNT:
            set = 0;
            min_ndx = POSIX_ACCESS1_COUNT;
            min = tmp->counters[min_ndx];
            for(j = POSIX_ACCESS1_COUNT; j <= POSIX_ACCESS4_COUNT; j++)
            {
                if(tmp->counters[j-4] == pfile->counters[i-4])
                {
                    tmp->counters[j] += pfile->counters[i];
                    set = 1;
                    break;
                }
                if(tmp->counters[j] < min)
                {
                    min_ndx = j;
                    min = tmp->counters[j];
                }
            }
            if(!set && (pfile->counters[i] > min))
            {
                tmp->counters[i] = pfile->counters[i];
                tmp->counters[i-4] = pfile->counters[i-4];
            }
            break;
        case POSIX_FASTEST_RANK:
        case POSIX_SLOWEST_RANK:
        case POSIX_FASTEST_RANK_BYTES:
        case POSIX_SLOWEST_RANK_BYTES:
            tmp->counters[i] = 0;
            break;
        case POSIX_MAX_READ_TIME_SIZE:
        case POSIX_MAX_WRITE_TIME_SIZE:
            break;
        default:
            tmp->counters[i] += pfile->counters[i];
            break;
        }
    }

    for(i = 0; i < POSIX_F_NUM_INDICES; i++)
    {
        switch(i)
        {
            case POSIX_F_OPEN_TIMESTAMP:
            case POSIX_F_READ_START_TIMESTAMP:
            case POSIX_F_WRITE_START_TIMESTAMP:
                if(tmp->fcounters[i] == 0 || 
                    tmp->fcounters[i] > pfile->fcounters[i])
                {
                    tmp->fcounters[i] = pfile->fcounters[i];
                }
                break;
            case POSIX_F_READ_END_TIMESTAMP:
            case POSIX_F_WRITE_END_TIMESTAMP:
            case POSIX_F_CLOSE_TIMESTAMP:
                if(tmp->fcounters[i] == 0 || 
                    tmp->fcounters[i] < pfile->fcounters[i])
                {
                    tmp->fcounters[i] = pfile->fcounters[i];
                }
                break;
            case POSIX_F_FASTEST_RANK_TIME:
            case POSIX_F_SLOWEST_RANK_TIME:
            case POSIX_F_VARIANCE_RANK_TIME:
            case POSIX_F_VARIANCE_RANK_BYTES:
                tmp->fcounters[i] = 0;
                break;
            case POSIX_F_MAX_READ_TIME:
                if(tmp->fcounters[i] < pfile->fcounters[i])
                {
                    tmp->fcounters[i] = pfile->fcounters[i];
                    tmp->counters[POSIX_MAX_READ_TIME_SIZE] =
                        pfile->counters[POSIX_MAX_READ_TIME_SIZE];
                }
                break;
            case POSIX_F_MAX_WRITE_TIME:
                if(tmp->fcounters[i] < pfile->fcounters[i])
                {
                    tmp->fcounters[i] = pfile->fcounters[i];
                    tmp->counters[POSIX_MAX_WRITE_TIME_SIZE] =
                        pfile->counters[POSIX_MAX_WRITE_TIME_SIZE];
                }
                break;
            default:
                tmp->fcounters[i] += pfile->fcounters[i];
                break;
        }
    }

    return;
}

void mpiio_accum_file(struct darshan_mpiio_file *mfile,
                      hash_entry_t *hfile,
                      int64_t nprocs)
{
    int i, j;
    int set;
    int min_ndx;
    int64_t min;
    struct darshan_mpiio_file* tmp;

    hfile->procs += 1;

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    {
        hfile->slowest_time = mfile->fcounters[MPIIO_F_SLOWEST_RANK_TIME];
    }
    else
    {
        hfile->slowest_time = max(hfile->slowest_time, 
            (mfile->fcounters[MPIIO_F_META_TIME] +
            mfile->fcounters[MPIIO_F_READ_TIME] +
            mfile->fcounters[MPIIO_F_WRITE_TIME]));
    }

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    if(mfile->base_rec.rank == -1)
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    {
        hfile->procs = nprocs;
        hfile->type |= FILETYPE_SHARED;

    }
    else if(hfile->procs > 1)
    {
        hfile->type &= (~FILETYPE_UNIQUE);
        hfile->type |= FILETYPE_PARTSHARED;
    }
    else
    {
        hfile->type |= FILETYPE_UNIQUE;
    }

    hfile->cumul_time += mfile->fcounters[MPIIO_F_META_TIME] +
                         mfile->fcounters[MPIIO_F_READ_TIME] +
                         mfile->fcounters[MPIIO_F_WRITE_TIME];

    if(hfile->rec_dat == NULL)
    {
        hfile->rec_dat = malloc(sizeof(struct darshan_mpiio_file));
        assert(hfile->rec_dat);
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        memset(hfile->rec_dat, 0, sizeof(struct darshan_mpiio_file));
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    }
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    tmp = (struct darshan_mpiio_file*)hfile->rec_dat;
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    for(i = 0; i < MPIIO_NUM_INDICES; i++)
    {
        switch(i)
        {
        case MPIIO_MODE:
            tmp->counters[i] = mfile->counters[i];
            break;
        case MPIIO_ACCESS1_ACCESS:
        case MPIIO_ACCESS2_ACCESS:
        case MPIIO_ACCESS3_ACCESS:
        case MPIIO_ACCESS4_ACCESS:
            /*
             * do nothing here because these will be stored
             * when the _COUNT is accessed.
             */
            break;
        case MPIIO_ACCESS1_COUNT:
        case MPIIO_ACCESS2_COUNT:
        case MPIIO_ACCESS3_COUNT:
        case MPIIO_ACCESS4_COUNT:
            set = 0;
            min_ndx = MPIIO_ACCESS1_COUNT;
            min = tmp->counters[min_ndx];
            for(j = MPIIO_ACCESS1_COUNT; j <= MPIIO_ACCESS4_COUNT; j++)
            {
                if(tmp->counters[j-4] == mfile->counters[i-4])
                {
                    tmp->counters[j] += mfile->counters[i];
                    set = 1;
                    break;
                }
                if(tmp->counters[j] < min)
                {
                    min_ndx = j;
                    min = tmp->counters[j];
                }
            }
            if(!set && (mfile->counters[i] > min))
            {
                tmp->counters[i] = mfile->counters[i];
                tmp->counters[i-4] = mfile->counters[i-4];
            }
            break;
        case MPIIO_FASTEST_RANK:
        case MPIIO_SLOWEST_RANK:
        case MPIIO_FASTEST_RANK_BYTES:
        case MPIIO_SLOWEST_RANK_BYTES:
            tmp->counters[i] = 0;
            break;
        case MPIIO_MAX_READ_TIME_SIZE:
        case MPIIO_MAX_WRITE_TIME_SIZE:
            break;
        default:
            tmp->counters[i] += mfile->counters[i];
            break;
        }
    }

    for(i = 0; i < MPIIO_F_NUM_INDICES; i++)
    {
        switch(i)
        {
            case MPIIO_F_OPEN_TIMESTAMP:
            case MPIIO_F_READ_START_TIMESTAMP:
            case MPIIO_F_WRITE_START_TIMESTAMP:
                if(tmp->fcounters[i] == 0 || 
                    tmp->fcounters[i] > mfile->fcounters[i])
                {
                    tmp->fcounters[i] = mfile->fcounters[i];
                }
                break;
            case MPIIO_F_READ_END_TIMESTAMP:
            case MPIIO_F_WRITE_END_TIMESTAMP:
            case MPIIO_F_CLOSE_TIMESTAMP:
                if(tmp->fcounters[i] == 0 || 
                    tmp->fcounters[i] < mfile->fcounters[i])
                {
                    tmp->fcounters[i] = mfile->fcounters[i];
                }
                break;
            case MPIIO_F_FASTEST_RANK_TIME:
            case MPIIO_F_SLOWEST_RANK_TIME:
            case MPIIO_F_VARIANCE_RANK_TIME:
            case MPIIO_F_VARIANCE_RANK_BYTES:
                tmp->fcounters[i] = 0;
                break;
            case MPIIO_F_MAX_READ_TIME:
                if(tmp->fcounters[i] < mfile->fcounters[i])
                {
                    tmp->fcounters[i] = mfile->fcounters[i];
                    tmp->counters[MPIIO_MAX_READ_TIME_SIZE] =
                        mfile->counters[MPIIO_MAX_READ_TIME_SIZE];
                }
                break;
            case MPIIO_F_MAX_WRITE_TIME:
                if(tmp->fcounters[i] < mfile->fcounters[i])
                {
                    tmp->fcounters[i] = mfile->fcounters[i];
                    tmp->counters[MPIIO_MAX_WRITE_TIME_SIZE] =
                        mfile->counters[MPIIO_MAX_WRITE_TIME_SIZE];
                }
                break;
            default:
                tmp->fcounters[i] += mfile->fcounters[i];
                break;
        }
    }

    return;
}

void posix_accum_perf(struct darshan_posix_file *pfile,
                      perf_data_t *pdata)
{
    pdata->total_bytes += pfile->counters[POSIX_BYTES_READ] +
                          pfile->counters[POSIX_BYTES_WRITTEN];

    /*
     * Calculation of Shared File Time
     *   Four Methods!!!!
     *     by_cumul: sum time counters and divide by nprocs
     *               (inaccurate if lots of variance between procs)
     *     by_open: difference between timestamp of open and close
     *              (inaccurate if file is left open without i/o happening)
     *     by_open_lastio: difference between timestamp of open and the
     *                     timestamp of last i/o
     *                     (similar to above but fixes case where file is left
     *                      open after io is complete)
     *     by_slowest: use slowest rank time from log data
     *                 (most accurate but requires newer log version)
     */
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    {
        /* by_open */
        if(pfile->fcounters[POSIX_F_CLOSE_TIMESTAMP] >
            pfile->fcounters[POSIX_F_OPEN_TIMESTAMP])
        {
            pdata->shared_time_by_open +=
                pfile->fcounters[POSIX_F_CLOSE_TIMESTAMP] -
                pfile->fcounters[POSIX_F_OPEN_TIMESTAMP];
        }

        /* by_open_lastio */
        if(pfile->fcounters[POSIX_F_READ_END_TIMESTAMP] >
            pfile->fcounters[POSIX_F_WRITE_END_TIMESTAMP])
        {
            /* be careful: file may have been opened but not read or written */
            if(pfile->fcounters[POSIX_F_READ_END_TIMESTAMP] > pfile->fcounters[POSIX_F_OPEN_TIMESTAMP])
            {
                pdata->shared_time_by_open_lastio += 
                    pfile->fcounters[POSIX_F_READ_END_TIMESTAMP] - 
                    pfile->fcounters[POSIX_F_OPEN_TIMESTAMP];
            }
        }
        else
        {
            /* be careful: file may have been opened but not read or written */
            if(pfile->fcounters[POSIX_F_WRITE_END_TIMESTAMP] > pfile->fcounters[POSIX_F_OPEN_TIMESTAMP])
            {
                pdata->shared_time_by_open_lastio += 
                    pfile->fcounters[POSIX_F_WRITE_END_TIMESTAMP] - 
                    pfile->fcounters[POSIX_F_OPEN_TIMESTAMP];
            }
        }

        pdata->shared_time_by_cumul +=
            pfile->fcounters[POSIX_F_META_TIME] +
            pfile->fcounters[POSIX_F_READ_TIME] +
            pfile->fcounters[POSIX_F_WRITE_TIME];
        pdata->shared_meta_time += pfile->fcounters[POSIX_F_META_TIME];

        /* by_slowest */
        pdata->shared_time_by_slowest +=
            pfile->fcounters[POSIX_F_SLOWEST_RANK_TIME];
    }

    /*
     * Calculation of Unique File Time
     *   record the data for each file and sum it 
     */
    else
    {
1108
        pdata->rank_cumul_io_time[pfile->base_rec.rank] +=
1109
1110
1111
            (pfile->fcounters[POSIX_F_META_TIME] +
            pfile->fcounters[POSIX_F_READ_TIME] +
            pfile->fcounters[POSIX_F_WRITE_TIME]);
1112
1113
        pdata->rank_cumul_md_time[pfile->base_rec.rank] +=
            pfile->fcounters[POSIX_F_META_TIME];
1114
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    }

    return;
}

void mpiio_accum_perf(struct darshan_mpiio_file *mfile,
                      perf_data_t *pdata)
{
    pdata->total_bytes += mfile->counters[MPIIO_BYTES_READ] +
                          mfile->counters[MPIIO_BYTES_WRITTEN];

    /*
     * Calculation of Shared File Time
     *   Four Methods!!!!
     *     by_cumul: sum time counters and divide by nprocs
     *               (inaccurate if lots of variance between procs)
     *     by_open: difference between timestamp of open and close
     *              (inaccurate if file is left open without i/o happening)
     *     by_open_lastio: difference between timestamp of open and the
     *                     timestamp of last i/o
     *                     (similar to above but fixes case where file is left
     *                      open after io is complete)
     *     by_slowest: use slowest rank time from log data
     *                 (most accurate but requires newer log version)
     */
1139
    if(mfile->base_rec.rank == -1)
1140
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1189
    {
        /* by_open */
        if(mfile->fcounters[MPIIO_F_CLOSE_TIMESTAMP] >
            mfile->fcounters[MPIIO_F_OPEN_TIMESTAMP])
        {
            pdata->shared_time_by_open +=
                mfile->fcounters[MPIIO_F_CLOSE_TIMESTAMP] -
                mfile->fcounters[MPIIO_F_OPEN_TIMESTAMP];
        }

        /* by_open_lastio */
        if(mfile->fcounters[MPIIO_F_READ_END_TIMESTAMP] >
            mfile->fcounters[MPIIO_F_WRITE_END_TIMESTAMP])
        {
            /* be careful: file may have been opened but not read or written */
            if(mfile->fcounters[MPIIO_F_READ_END_TIMESTAMP] > mfile->fcounters[MPIIO_F_OPEN_TIMESTAMP])
            {
                pdata->shared_time_by_open_lastio += 
                    mfile->fcounters[MPIIO_F_READ_END_TIMESTAMP] - 
                    mfile->fcounters[MPIIO_F_OPEN_TIMESTAMP];
            }
        }
        else
        {
            /* be careful: file may have been opened but not read or written */
            if(mfile->fcounters[MPIIO_F_WRITE_END_TIMESTAMP] > mfile->fcounters[MPIIO_F_OPEN_TIMESTAMP])
            {
                pdata->shared_time_by_open_lastio += 
                    mfile->fcounters[MPIIO_F_WRITE_END_TIMESTAMP] - 
                    mfile->fcounters[MPIIO_F_OPEN_TIMESTAMP];
            }
        }

        pdata->shared_time_by_cumul +=
            mfile->fcounters[MPIIO_F_META_TIME] +
            mfile->fcounters[MPIIO_F_READ_TIME] +
            mfile->fcounters[MPIIO_F_WRITE_TIME];
        pdata->shared_meta_time += mfile->fcounters[MPIIO_F_META_TIME];

        /* by_slowest */
        pdata->shared_time_by_slowest +=
            mfile->fcounters[MPIIO_F_SLOWEST_RANK_TIME];
    }

    /*
     * Calculation of Unique File Time
     *   record the data for each file and sum it 
     */
    else
    {
1190
        pdata->rank_cumul_io_time[mfile->base_rec.rank] +=
1191
1192
1193
            (mfile->fcounters[MPIIO_F_META_TIME] +
            mfile->fcounters[MPIIO_F_READ_TIME] +
            mfile->fcounters[MPIIO_F_WRITE_TIME]);
1194
1195
        pdata->rank_cumul_md_time[mfile->base_rec.rank] +=
            mfile->fcounters[MPIIO_F_META_TIME];
1196
1197
1198
1199
1200
1201
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1203
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1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
    }

    return;
}

void posix_calc_file(hash_entry_t *file_hash, 
                     file_data_t *fdata)
{
    hash_entry_t *curr = NULL;
    hash_entry_t *tmp = NULL;
    struct darshan_posix_file *file_rec;

    memset(fdata, 0, sizeof(*fdata));
    HASH_ITER(hlink, file_hash, curr, tmp)
    {
        int64_t bytes;
        int64_t r;
        int64_t w;

        file_rec = (struct darshan_posix_file*)curr->rec_dat;
        assert(file_rec);

        bytes = file_rec->counters[POSIX_BYTES_READ] +
                file_rec->counters[POSIX_BYTES_WRITTEN];

        r = (file_rec->counters[POSIX_READS]+
             file_rec->counters[POSIX_FREADS]);

        w = (file_rec->counters[POSIX_WRITES]+
             file_rec->counters[POSIX_FWRITES]);

        fdata->total += 1;
        fdata->total_size += bytes;
        fdata->total_max = max(fdata->total_max, bytes);

        if (r && !w)
        {
            fdata->read_only += 1;
            fdata->read_only_size += bytes;
            fdata->read_only_max = max(fdata->read_only_max, bytes);
        }

        if (!r && w)
        {
            fdata->write_only += 1;
            fdata->write_only_size += bytes;
            fdata->write_only_max = max(fdata->write_only_max, bytes);
        }

        if (r && w)
        {
            fdata->read_write += 1;
            fdata->read_write_size += bytes;
            fdata->read_write_max = max(fdata->read_write_max, bytes);
        }

        if ((curr->type & (FILETYPE_SHARED|FILETYPE_PARTSHARED)))
        {
            fdata->shared += 1;
            fdata->shared_size += bytes;
            fdata->shared_max = max(fdata->shared_max, bytes);
        }

        if ((curr->type & (FILETYPE_UNIQUE)))
        {
            fdata->unique += 1;
            fdata->unique_size += bytes;
            fdata->unique_max = max(fdata->unique_max, bytes);
        }
    }

    return;
}

void mpiio_calc_file(hash_entry_t *file_hash, 
                     file_data_t *fdata)
{
    hash_entry_t *curr = NULL;
    hash_entry_t *tmp = NULL;
    struct darshan_mpiio_file *file_rec;

    memset(fdata, 0, sizeof(*fdata));
    HASH_ITER(hlink, file_hash, curr, tmp)
    {
        int64_t bytes;
        int64_t r;
        int64_t w;

        file_rec = (struct darshan_mpiio_file*)curr->rec_dat;
        assert(file_rec);

        bytes = file_rec->counters[MPIIO_BYTES_READ] +
                file_rec->counters[MPIIO_BYTES_WRITTEN];

        r = (file_rec->counters[MPIIO_INDEP_READS]+
             file_rec->counters[MPIIO_COLL_READS] +
             file_rec->counters[MPIIO_SPLIT_READS] +
             file_rec->counters[MPIIO_NB_READS]);

        w = (file_rec->counters[MPIIO_INDEP_WRITES]+
             file_rec->counters[MPIIO_COLL_WRITES] +
             file_rec->counters[MPIIO_SPLIT_WRITES] +
             file_rec->counters[MPIIO_NB_WRITES]);

        fdata->total += 1;
        fdata->total_size += bytes;
        fdata->total_max = max(fdata->total_max, bytes);

        if (r && !w)
        {
            fdata->read_only += 1;
            fdata->read_only_size += bytes;
            fdata->read_only_max = max(fdata->read_only_max, bytes);
        }

        if (!r && w)
        {
            fdata->write_only += 1;
            fdata->write_only_size += bytes;
            fdata->write_only_max = max(fdata->write_only_max, bytes);
        }

        if (r && w)
        {
            fdata->read_write += 1;
            fdata->read_write_size += bytes;
            fdata->read_write_max = max(fdata->read_write_max, bytes);
        }

        if ((curr->type & (FILETYPE_SHARED|FILETYPE_PARTSHARED)))
        {
            fdata->shared += 1;
            fdata->shared_size += bytes;
            fdata->shared_max = max(fdata->shared_max, bytes);
        }

        if ((curr->type & (FILETYPE_UNIQUE)))
        {
            fdata->unique += 1;
            fdata->unique_size += bytes;
            fdata->unique_max = max(fdata->unique_max, bytes);
        }
    }

    return;
}

void calc_perf(perf_data_t *pdata,
               int64_t nprocs)
{
    int64_t i;

    pdata->shared_time_by_cumul =
        pdata->shared_time_by_cumul / (double)nprocs;

    pdata->shared_meta_time = pdata->shared_meta_time / (double)nprocs;

    for (i=0; i<nprocs; i++)
    {
        if (pdata->rank_cumul_io_time[i] > pdata->slowest_rank_time)
        {
            pdata->slowest_rank_time = pdata->rank_cumul_io_time[i];
            pdata->slowest_rank_meta_time = pdata->rank_cumul_md_time[i];
            pdata->slowest_rank_rank = i;
        }
    }

    if (pdata->slowest_rank_time + pdata->shared_time_by_cumul)
    pdata->agg_perf_by_cumul = ((double)pdata->total_bytes / 1048576.0) /
                                  (pdata->slowest_rank_time +
                                   pdata->shared_time_by_cumul);

    if (pdata->slowest_rank_time + pdata->shared_time_by_open)
    pdata->agg_perf_by_open  = ((double)pdata->total_bytes / 1048576.0) / 
                                   (pdata->slowest_rank_time +
                                    pdata->shared_time_by_open);

    if (pdata->slowest_rank_time + pdata->shared_time_by_open_lastio)
    pdata->agg_perf_by_open_lastio = ((double)pdata->total_bytes / 1048576.0) /
                                     (pdata->slowest_rank_time +
                                      pdata->shared_time_by_open_lastio);

    if (pdata->slowest_rank_time + pdata->shared_time_by_slowest)
    pdata->agg_perf_by_slowest = ((double)pdata->total_bytes / 1048576.0) /
                                     (pdata->slowest_rank_time +
                                      pdata->shared_time_by_slowest);

    return;
}

void posix_print_total_file(struct darshan_posix_file *pfile)
{
    int i;
    printf("\n");
    for(i = 0; i < POSIX_NUM_INDICES; i++)
    {
        printf("total_%s: %"PRId64"\n",
            posix_counter_names[i], pfile->counters[i]);
    }
    for(i = 0; i < POSIX_F_NUM_INDICES; i++)
    {
        printf("total_%s: %lf\n",
            posix_f_counter_names[i], pfile->fcounters[i]);
    }
    return;
}

void mpiio_print_total_file(struct darshan_mpiio_file *mfile)
{
    int i;
    printf("\n");
    for(i = 0; i < MPIIO_NUM_INDICES; i++)
    {
        printf("total_%s: %"PRId64"\n",
            mpiio_counter_names[i], mfile->counters[i]);
    }
    for(i = 0; i < MPIIO_F_NUM_INDICES; i++)
    {
        printf("total_%s: %lf\n",
            mpiio_f_counter_names[i], mfile->fcounters[i]);
    }
    return;
}

void posix_file_list(hash_entry_t *file_hash,
1421
                     struct darshan_name_record_ref *name_hash,
1422
1423
1424
1425
1426
                     int detail_flag)
{
    hash_entry_t *curr = NULL;
    hash_entry_t *tmp = NULL;
    struct darshan_posix_file *file_rec = NULL;
1427
    struct darshan_name_record_ref *ref = NULL;
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
    int i;

    /* list of columns:
     *
     * normal mode
     * - file id
     * - file name
     * - nprocs
     * - slowest I/O time
     * - average cumulative I/O time
     *
     * detailed mode
     * - first open
     * - first read
     * - first write
     * - last read
     * - last write
     * - last close
     * - POSIX opens
     * - r histogram
     * - w histogram
     */

    if(detail_flag)
        printf("\n# Per-file summary of I/O activity (detailed).\n");
    else
        printf("\n# Per-file summary of I/O activity.\n");

    printf("# <record_id>: darshan record id for this file\n");
1457
    printf("# <file_name>: full file name\n");
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
    printf("# <nprocs>: number of processes that opened the file\n");
    printf("# <slowest>: (estimated) time in seconds consumed in IO by slowest process\n");
    printf("# <avg>: average time in seconds consumed in IO per process\n");
    if(detail_flag)
    {
        printf("# <start_{open/read/write}>: start timestamp of first open, read, or write\n");
        printf("# <end_{read/write/close}>: end timestamp of last read, write, or close\n");
        printf("# <posix_opens>: POSIX open calls\n");
        printf("# <POSIX_SIZE_READ_*>: POSIX read size histogram\n");
        printf("# <POSIX_SIZE_WRITE_*>: POSIX write size histogram\n");
    }
    
1470
    printf("\n# <record_id>\t<file_name>\t<nprocs>\t<slowest>\t<avg>");
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
    if(detail_flag)
    {
        printf("\t<start_open>\t<start_read>\t<start_write>");
        printf("\t<end_read>\t<end_write>\t<end_close>\t<posix_opens>");
        for(i=POSIX_SIZE_READ_0_100; i<= POSIX_SIZE_WRITE_1G_PLUS; i++)
            printf("\t<%s>", posix_counter_names[i]);
    }
    printf("\n");

    HASH_ITER(hlink, file_hash, curr, tmp)
    {
        file_rec = (struct darshan_posix_file*)curr->rec_dat;
        assert(file_rec);

1485
        HASH_FIND(hlink, name_hash, &(curr->rec_id), sizeof(darshan_record_id), ref);
1486
1487
1488
1489
        assert(ref);

        printf("%" PRIu64 "\t%s\t%" PRId64 "\t%f\t%f",
            curr->rec_id,
1490
            ref->name_record->name,
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
            curr->procs,
            curr->slowest_time,
            curr->cumul_time/(double)curr->procs);

        if(detail_flag)
        {
            for(i=POSIX_F_OPEN_TIMESTAMP; i<=POSIX_F_CLOSE_TIMESTAMP; i++)
            {
                printf("\t%f", file_rec->fcounters[i]);
            }
            printf("\t%" PRId64, file_rec->counters[POSIX_OPENS]);
            for(i=POSIX_SIZE_READ_0_100; i<= POSIX_SIZE_WRITE_1G_PLUS; i++)
                printf("\t%" PRId64, file_rec->counters[i]);
        }
        printf("\n");
    }

    return;
}

void mpiio_file_list(hash_entry_t *file_hash,
1512
                     struct darshan_name_record_ref *name_hash,
1513
1514
1515
1516
1517
                     int detail_flag)
{
    hash_entry_t *curr = NULL;
    hash_entry_t *tmp = NULL;
    struct darshan_mpiio_file *file_rec = NULL;
1518
    struct darshan_name_record_ref *ref = NULL;
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
    int i;

    /* list of columns:
     *
     * normal mode
     * - file id
     * - file name
     * - nprocs
     * - slowest I/O time
     * - average cumulative I/O time
     *
     * detailed mode
     * - first open
     * - first read
     * - first write
     * - last read
     * - last write
     * - last close
     * - MPI indep opens
     * - MPI coll opens
     * - r histogram
     * - w histogram
     */

    if(detail_flag)
        printf("\n# Per-file summary of I/O activity (detailed).\n");
    else
        printf("\n# Per-file summary of I/O activity.\n");

    printf("# <record_id>: darshan record id for this file\n");
1549
    printf("# <file_name>: full file name\n");
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
    printf("# <nprocs>: number of processes that opened the file\n");
    printf("# <slowest>: (estimated) time in seconds consumed in IO by slowest process\n");
    printf("# <avg>: average time in seconds consumed in IO per process\n");
    if(detail_flag)
    {
        printf("# <start_{open/read/write}>: start timestamp of first open, read, or write\n");
        printf("# <end_{read/write/close}>: end timestamp of last read, write, or close\n");
        printf("# <mpi_indep_opens>: independent MPI_File_open calls\n");
        printf("# <mpi_coll_opens>: collective MPI_File_open calls\n");
        printf("# <MPIIO_SIZE_READ_AGG_*>: MPI-IO aggregate read size histogram\n");
        printf("# <MPIIO_SIZE_WRITE_AGG_*>: MPI-IO aggregate write size histogram\n");
    }
    
1563
    printf("\n# <record_id>\t<file_name>\t<nprocs>\t<slowest>\t<avg>");
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
    if(detail_flag)
    {
        printf("\t<start_open>\t<start_read>\t<start_write>");
        printf("\t<end_read>\t<end_write>\t<end_close>");
        printf("\t<mpi_indep_opens>\t<mpi_coll_opens>");
        for(i=MPIIO_SIZE_READ_AGG_0_100; i<= MPIIO_SIZE_WRITE_AGG_1G_PLUS; i++)
            printf("\t<%s>", mpiio_counter_names[i]);
    }
    printf("\n");

    HASH_ITER(hlink, file_hash, curr, tmp)
    {
        file_rec = (struct darshan_mpiio_file*)curr->rec_dat;
        assert(file_rec);

1579
        HASH_FIND(hlink, name_hash, &(curr->rec_id), sizeof(darshan_record_id), ref);
1580
1581
1582
1583
        assert(ref);

        printf("%" PRIu64 "\t%s\t%" PRId64 "\t%f\t%f",
            curr->rec_id,
1584
            ref->name_record->name,
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
            curr->procs,
            curr->slowest_time,
            curr->cumul_time/(double)curr->procs);

        if(detail_flag)
        {
            for(i=MPIIO_F_OPEN_TIMESTAMP; i<=MPIIO_F_CLOSE_TIMESTAMP; i++)
            {
                printf("\t%f", file_rec->fcounters[i]);
            }
            printf("\t%" PRId64 "\t%" PRId64, file_rec->counters[MPIIO_INDEP_OPENS],
                file_rec->counters[MPIIO_COLL_OPENS]);
            for(i=MPIIO_SIZE_READ_AGG_0_100; i<= MPIIO_SIZE_WRITE_AGG_1G_PLUS; i++)
                printf("\t%" PRId64, file_rec->counters[i]);
        }
        printf("\n");
    }

    return;
}

/*
 * Local variables:
 *  c-indent-level: 4
 *  c-basic-offset: 4
 * End:
 *
 * vim: ts=8 sts=4 sw=4 expandtab
 */