darshan-pnetcdf-logutils.c 6.65 KB
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/*
 * Copyright (C) 2015 University of Chicago.
 * See COPYRIGHT notice in top-level directory.
 *
 */

#define _GNU_SOURCE
#include "darshan-util-config.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

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#include "darshan-logutils.h"
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/* counter name strings for the PNETCDF module */
#define X(a) #a,
char *pnetcdf_counter_names[] = {
    PNETCDF_COUNTERS
};

char *pnetcdf_f_counter_names[] = {
    PNETCDF_F_COUNTERS
};
#undef X

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static int darshan_log_get_pnetcdf_file(darshan_fd fd, void* pnetcdf_buf,
    darshan_record_id* rec_id);
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static int darshan_log_put_pnetcdf_file(darshan_fd fd, void* pnetcdf_buf, int ver);
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static void darshan_log_print_pnetcdf_file(void *file_rec,
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    char *file_name, char *mnt_pt, char *fs_type, int ver);
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static void darshan_log_print_pnetcdf_description(void);
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static void darshan_log_print_pnetcdf_file_diff(void *file_rec1, char *file_name1,
    void *file_rec2, char *file_name2);
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struct darshan_mod_logutil_funcs pnetcdf_logutils =
{
    .log_get_record = &darshan_log_get_pnetcdf_file,
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    .log_put_record = &darshan_log_put_pnetcdf_file,
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    .log_print_record = &darshan_log_print_pnetcdf_file,
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    .log_print_description = &darshan_log_print_pnetcdf_description,
    .log_print_diff = &darshan_log_print_pnetcdf_file_diff
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};

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static int darshan_log_get_pnetcdf_file(darshan_fd fd, void* pnetcdf_buf,
    darshan_record_id* rec_id)
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{
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    struct darshan_pnetcdf_file *file;
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    int i;
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    int ret;
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    ret = darshan_log_getmod(fd, DARSHAN_PNETCDF_MOD, pnetcdf_buf,
        sizeof(struct darshan_pnetcdf_file));
    if(ret < 0)
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        return(-1);
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    else if(ret < sizeof(struct darshan_pnetcdf_file))
        return(0);
    else
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    {
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        file = (struct darshan_pnetcdf_file *)pnetcdf_buf;
        if(fd->swap_flag)
        {
            /* swap bytes if necessary */
            DARSHAN_BSWAP64(&file->f_id);
            DARSHAN_BSWAP64(&file->rank);
            for(i=0; i<PNETCDF_NUM_INDICES; i++)
                DARSHAN_BSWAP64(&file->counters[i]);
            for(i=0; i<PNETCDF_F_NUM_INDICES; i++)
                DARSHAN_BSWAP64(&file->fcounters[i]);
        }

        *rec_id = file->f_id;
        return(1);
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    }
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}
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static int darshan_log_put_pnetcdf_file(darshan_fd fd, void* pnetcdf_buf, int ver)
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{
    struct darshan_pnetcdf_file *file = (struct darshan_pnetcdf_file *)pnetcdf_buf;
    int ret;

    ret = darshan_log_putmod(fd, DARSHAN_PNETCDF_MOD, file,
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        sizeof(struct darshan_pnetcdf_file), ver);
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    if(ret < 0)
        return(-1);
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    return(0);
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}

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static void darshan_log_print_pnetcdf_file(void *file_rec, char *file_name,
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    char *mnt_pt, char *fs_type, int ver)
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{
    int i;
    struct darshan_pnetcdf_file *pnetcdf_file_rec =
        (struct darshan_pnetcdf_file *)file_rec;

    for(i=0; i<PNETCDF_NUM_INDICES; i++)
    {
        DARSHAN_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
            pnetcdf_file_rec->rank, pnetcdf_file_rec->f_id, pnetcdf_counter_names[i],
            pnetcdf_file_rec->counters[i], file_name, mnt_pt, fs_type);
    }

    for(i=0; i<PNETCDF_F_NUM_INDICES; i++)
    {
        DARSHAN_F_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
            pnetcdf_file_rec->rank, pnetcdf_file_rec->f_id, pnetcdf_f_counter_names[i],
            pnetcdf_file_rec->fcounters[i], file_name, mnt_pt, fs_type);
    }

    return;
}

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static void darshan_log_print_pnetcdf_description()
{
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    printf("\n# description of PNETCDF counters:\n");
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    printf("#   PNETCDF_INDEP_OPENS: PNETCDF independent file open operation counts.\n");
    printf("#   PNETCDF_COLL_OPENS: PNETCDF collective file open operation counts.\n");
    printf("#   PNETCDF_F_OPEN_TIMESTAMP: timestamp of first PNETCDF file open.\n");
    printf("#   PNETCDF_F_CLOSE_TIMESTAMP: timestamp of last PNETCDF file close.\n");

    DARSHAN_PRINT_HEADER();

    return;
}

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static void darshan_log_print_pnetcdf_file_diff(void *file_rec1, char *file_name1,
    void *file_rec2, char *file_name2)
{
    struct darshan_pnetcdf_file *file1 = (struct darshan_pnetcdf_file *)file_rec1;
    struct darshan_pnetcdf_file *file2 = (struct darshan_pnetcdf_file *)file_rec2;
    int i;

    /* NOTE: we assume that both input records are the same module format version */

    for(i=0; i<PNETCDF_NUM_INDICES; i++)
    {
        if(!file2)
        {
            printf("- ");
            DARSHAN_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
                file1->rank, file1->f_id, pnetcdf_counter_names[i],
                file1->counters[i], file_name1, "", "");

        }
        else if(!file1)
        {
            printf("+ ");
            DARSHAN_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
                file2->rank, file2->f_id, pnetcdf_counter_names[i],
                file2->counters[i], file_name2, "", "");
        }
        else if(file1->counters[i] != file2->counters[i])
        {
            printf("- ");
            DARSHAN_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
                file1->rank, file1->f_id, pnetcdf_counter_names[i],
                file1->counters[i], file_name1, "", "");
            printf("+ ");
            DARSHAN_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
                file2->rank, file2->f_id, pnetcdf_counter_names[i],
                file2->counters[i], file_name2, "", "");
        }
    }

    for(i=0; i<PNETCDF_F_NUM_INDICES; i++)
    {
        if(!file2)
        {
            printf("- ");
            DARSHAN_F_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
                file1->rank, file1->f_id, pnetcdf_f_counter_names[i],
                file1->fcounters[i], file_name1, "", "");

        }
        else if(!file1)
        {
            printf("+ ");
            DARSHAN_F_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
                file2->rank, file2->f_id, pnetcdf_f_counter_names[i],
                file2->fcounters[i], file_name2, "", "");
        }
        else if(file1->fcounters[i] != file2->fcounters[i])
        {
            printf("- ");
            DARSHAN_F_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
                file1->rank, file1->f_id, pnetcdf_f_counter_names[i],
                file1->fcounters[i], file_name1, "", "");
            printf("+ ");
            DARSHAN_F_COUNTER_PRINT(darshan_module_names[DARSHAN_PNETCDF_MOD],
                file2->rank, file2->f_id, pnetcdf_f_counter_names[i],
                file2->fcounters[i], file_name2, "", "");
        }
    }

    return;
}

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