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Commit f78c456f authored by Shane Snyder's avatar Shane Snyder
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apply mmap code changes to other i/o modules

parent d3fae782
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Showing with 162 additions and 195 deletions
darshan-runtime/Makefile.in
View file @ f78c456f
......@@ -23,8 +23,9 @@ DARSHAN_LOG_FORMAT = $(srcdir)/../darshan-log-format.h
DARSHAN_VERSION = @DARSHAN_VERSION@
ifndef DISABLE_LDPRELOAD
all: lib/libdarshan.so lib/darshan-null.po
all: lib/libdarshan.so
endif
#TODO: lib/darshan-null.po
VPATH = $(srcdir)
......@@ -34,8 +35,8 @@ CFLAGS_SHARED = -DDARSHAN_CONFIG_H=\"darshan-runtime-config.h\" -I . -I$(srcdir)
LIBS = -lz @LIBBZ2@
static-mod-objs = lib/darshan-posix.o
dynamic-mod-objs = lib/darshan-posix.po
static-mod-objs = lib/darshan-posix.o lib/darshan-mpiio.o lib/darshan-hdf5.o lib/darshan-pnetcdf.o
dynamic-mod-objs = lib/darshan-posix.po lib/darshan-mpiio.po lib/darshan-hdf5.po lib/darshan-pnetcdf.po
lib::
@mkdir -p $@
......
darshan-runtime/lib/darshan-hdf5.c
View file @ f78c456f
......@@ -55,12 +55,9 @@ struct hdf5_runtime
{
struct hdf5_file_runtime* file_runtime_array;
struct darshan_hdf5_file* file_record_array;
int file_array_size;
int file_array_ndx;
struct hdf5_file_runtime *file_hash;
struct hdf5_file_runtime_ref* hid_hash;
struct darshan_hdf5_file *total_file;
};
static struct hdf5_runtime *hdf5_runtime = NULL;
......@@ -205,9 +202,9 @@ static void hdf5_runtime_initialize()
.get_output_data = &hdf5_get_output_data,
.shutdown = &hdf5_shutdown
};
void *mmap_buf;
int mmap_buf_size;
int mem_limit;
void *hdf5_buf;
int hdf5_buf_size;
int file_array_size;
/* don't do anything if already initialized or instrumenation is disabled */
if(hdf5_runtime || instrumentation_disabled)
......@@ -217,14 +214,13 @@ static void hdf5_runtime_initialize()
darshan_core_register_module(
DARSHAN_HDF5_MOD,
&hdf5_mod_fns,
&hdf5_buf_size,
&hdf5_buf,
&my_rank,
&mem_limit,
&mmap_buf,
&mmap_buf_size,
NULL);
/* return if no memory assigned by darshan-core */
if(mem_limit == 0)
/* return if darshan-core does not provide enough module memory */
if(hdf5_buf_size < sizeof(struct darshan_hdf5_file))
return;
hdf5_runtime = malloc(sizeof(*hdf5_runtime));
......@@ -232,27 +228,27 @@ static void hdf5_runtime_initialize()
return;
memset(hdf5_runtime, 0, sizeof(*hdf5_runtime));
/* set maximum number of file records according to max memory limit */
/* NOTE: maximum number of records is based on the size of a hdf5 file record */
/* TODO: should we base memory usage off file record or total runtime structure sizes? */
hdf5_runtime->file_array_size = mem_limit / sizeof(struct darshan_hdf5_file);
/* set number of trackable files for the HDF5 module according to the
* amount of memory returned by darshan-core
*/
file_array_size = hdf5_buf_size / sizeof(struct darshan_hdf5_file);
hdf5_runtime->file_array_ndx = 0;
/* store pointer to HDF5 record buffer given by darshan-core */
hdf5_runtime->file_record_array = (struct darshan_hdf5_file *)hdf5_buf;
/* allocate array of runtime file records */
hdf5_runtime->file_runtime_array = malloc(hdf5_runtime->file_array_size *
hdf5_runtime->file_runtime_array = malloc(file_array_size *
sizeof(struct hdf5_file_runtime));
/* XXX-MMAP */
hdf5_runtime->file_record_array = malloc(hdf5_runtime->file_array_size *
sizeof(struct darshan_hdf5_file));
if(!hdf5_runtime->file_runtime_array || !hdf5_runtime->file_record_array)
if(!hdf5_runtime->file_runtime_array)
{
hdf5_runtime->file_array_size = 0;
free(hdf5_runtime);
hdf5_runtime = NULL;
darshan_core_unregister_module(DARSHAN_HDF5_MOD);
return;
}
memset(hdf5_runtime->file_runtime_array, 0, hdf5_runtime->file_array_size *
memset(hdf5_runtime->file_runtime_array, 0, file_array_size *
sizeof(struct hdf5_file_runtime));
memset(hdf5_runtime->file_record_array, 0, hdf5_runtime->file_array_size *
sizeof(struct darshan_hdf5_file));
return;
}
......@@ -261,9 +257,10 @@ static void hdf5_runtime_initialize()
static struct hdf5_file_runtime* hdf5_file_by_name(const char *name)
{
struct hdf5_file_runtime *file = NULL;
struct darshan_hdf5_file *file_rec;
char *newname = NULL;
darshan_record_id file_id;
int limit_flag;
int ret;
if(!hdf5_runtime || instrumentation_disabled)
return(NULL);
......@@ -272,46 +269,36 @@ static struct hdf5_file_runtime* hdf5_file_by_name(const char *name)
if(!newname)
newname = (char*)name;
limit_flag = (hdf5_runtime->file_array_ndx >= hdf5_runtime->file_array_size);
/* get a unique id for this file from darshan core */
darshan_core_register_record(
/* lookup the unique id for this filename */
darshan_core_lookup_record(
(void*)newname,
strlen(newname),
DARSHAN_HDF5_MOD,
1,
limit_flag,
&file_id,
NULL);
/* if record is set to 0, darshan-core is out of space and will not
* track this record, so we should avoid tracking it, too
*/
if(file_id == 0)
{
if(newname != name)
free(newname);
return(NULL);
}
&file_id);
/* search the hash table for this file record, and return if found */
HASH_FIND(hlink, hdf5_runtime->file_hash, &file_id, sizeof(darshan_record_id), file);
if(file)
if(!file)
{
if(newname != name)
free(newname);
return(file);
}
/* register the record with the darshan core component */
ret = darshan_core_register_record(file_id, (void *)newname, DARSHAN_HDF5_MOD,
sizeof(struct darshan_hdf5_file), NULL);
if(ret == 1)
{
/* register was successful */
file = &(hdf5_runtime->file_runtime_array[hdf5_runtime->file_array_ndx]);
file->file_record =
&(hdf5_runtime->file_record_array[hdf5_runtime->file_array_ndx]);
file_rec = file->file_record;
/* no existing record, assign a new file record from the global array */
file = &(hdf5_runtime->file_runtime_array[hdf5_runtime->file_array_ndx]);
file->file_record = &(hdf5_runtime->file_record_array[hdf5_runtime->file_array_ndx]);
file->file_record->f_id = file_id;
file->file_record->rank = my_rank;
file_rec->base_rec.id = file_id;
file_rec->base_rec.rank = my_rank;
/* add new record to file hash table */
HASH_ADD(hlink, hdf5_runtime->file_hash, file_record->f_id, sizeof(darshan_record_id), file);
hdf5_runtime->file_array_ndx++;
/* add new record to file hash table */
HASH_ADD(hlink, hdf5_runtime->file_hash, file_record->base_rec.id,
sizeof(darshan_record_id), file);
hdf5_runtime->file_array_ndx++;
}
}
if(newname != name)
free(newname);
......@@ -403,9 +390,9 @@ static int hdf5_record_compare(const void* a_p, const void* b_p)
const struct darshan_hdf5_file* a = a_p;
const struct darshan_hdf5_file* b = b_p;
if(a->rank < b->rank)
if(a->base_rec.rank < b->base_rec.rank)
return 1;
if(a->rank > b->rank)
if(a->base_rec.rank > b->base_rec.rank)
return -1;
return 0;
......@@ -424,8 +411,8 @@ static void hdf5_record_reduction_op(void* infile_v, void* inoutfile_v,
for(i=0; i<*len; i++)
{
memset(&tmp_file, 0, sizeof(struct darshan_hdf5_file));
tmp_file.f_id = infile->f_id;
tmp_file.rank = -1;
tmp_file.base_rec.id = infile->base_rec.id;
tmp_file.base_rec.rank = -1;
/* sum */
for(j=HDF5_OPENS; j<=HDF5_OPENS; j++)
......@@ -505,7 +492,7 @@ static void hdf5_get_output_data(
sizeof(darshan_record_id), file);
assert(file);
file->file_record->rank = -1;
file->file_record->base_rec.rank = -1;
}
/* sort the array of files descending by rank so that we get all of the
......
darshan-runtime/lib/darshan-mpiio.c
View file @ f78c456f
......@@ -99,12 +99,9 @@ struct mpiio_runtime
{
struct mpiio_file_runtime* file_runtime_array;
struct darshan_mpiio_file* file_record_array;
int file_array_size;
int file_array_ndx;
struct mpiio_file_runtime* file_hash;
struct mpiio_file_runtime_ref* fh_hash;
struct darshan_mpiio_file* total_file;
};
static struct mpiio_runtime *mpiio_runtime = NULL;
......@@ -828,26 +825,28 @@ static void mpiio_runtime_initialize()
.get_output_data = &mpiio_get_output_data,
.shutdown = &mpiio_shutdown
};
void *mmap_buf;
int mmap_buf_size;
int mem_limit;
void *mpiio_buf;
int mpiio_buf_size;
int file_array_size;
/* don't do anything if already initialized or instrumenation is disabled */
if(mpiio_runtime || instrumentation_disabled)
return;
/* try and store the default number of records for this module */
mpiio_buf_size = DARSHAN_DEF_MOD_REC_COUNT * sizeof(struct darshan_mpiio_file);
/* register the mpiio module with darshan core */
darshan_core_register_module(
DARSHAN_MPIIO_MOD,
&mpiio_mod_fns,
&mpiio_buf_size,
&mpiio_buf,
&my_rank,
&mem_limit,
&mmap_buf,
&mmap_buf_size,
NULL);
/* return if no memory assigned by darshan core */
if(mem_limit == 0)
/* return if darshan-core does not provide enough module memory */
if(mpiio_buf_size < sizeof(struct darshan_mpiio_file))
return;
mpiio_runtime = malloc(sizeof(*mpiio_runtime));
......@@ -855,25 +854,27 @@ static void mpiio_runtime_initialize()
return;
memset(mpiio_runtime, 0, sizeof(*mpiio_runtime));
/* set maximum number of file records according to max memory limit */
/* NOTE: maximum number of records is based on the size of a mpiio file record */
mpiio_runtime->file_array_size = mem_limit / sizeof(struct darshan_mpiio_file);
/* set number of trackable files for the MPIIO module according to the
* amount of memory returned by darshan-core
*/
file_array_size = mpiio_buf_size / sizeof(struct darshan_mpiio_file);
mpiio_runtime->file_array_ndx = 0;
/* store pointer to MPIIO record buffer given by darshan-core */
mpiio_runtime->file_record_array = (struct darshan_mpiio_file *)mpiio_buf;
/* allocate array of runtime file records */
mpiio_runtime->file_runtime_array = malloc(mpiio_runtime->file_array_size *
mpiio_runtime->file_runtime_array = malloc(file_array_size *
sizeof(struct mpiio_file_runtime));
mpiio_runtime->file_record_array = malloc(mpiio_runtime->file_array_size *
sizeof(struct darshan_mpiio_file));
if(!mpiio_runtime->file_runtime_array || !mpiio_runtime->file_record_array)
if(!mpiio_runtime->file_runtime_array)
{
mpiio_runtime->file_array_size = 0;
free(mpiio_runtime);
mpiio_runtime = NULL;
darshan_core_unregister_module(DARSHAN_MPIIO_MOD);
return;
}
memset(mpiio_runtime->file_runtime_array, 0, mpiio_runtime->file_array_size *
memset(mpiio_runtime->file_runtime_array, 0, file_array_size *
sizeof(struct mpiio_file_runtime));
memset(mpiio_runtime->file_record_array, 0, mpiio_runtime->file_array_size *
sizeof(struct darshan_mpiio_file));
return;
}
......@@ -882,9 +883,10 @@ static void mpiio_runtime_initialize()
static struct mpiio_file_runtime* mpiio_file_by_name(const char *name)
{
struct mpiio_file_runtime *file = NULL;
struct darshan_mpiio_file *file_rec;
char *newname = NULL;
darshan_record_id file_id;
int limit_flag;
int ret;
if(!mpiio_runtime || instrumentation_disabled)
return(NULL);
......@@ -893,46 +895,36 @@ static struct mpiio_file_runtime* mpiio_file_by_name(const char *name)
if(!newname)
newname = (char*)name;
limit_flag = (mpiio_runtime->file_array_ndx >= mpiio_runtime->file_array_size);
/* get a unique id for this file from darshan core */
darshan_core_register_record(
/* lookup the unique id for this filename */
darshan_core_lookup_record(
(void*)newname,
strlen(newname),
DARSHAN_MPIIO_MOD,
1,
limit_flag,
&file_id,
NULL);
/* the file record id is set to 0 if no memory is available for tracking
* new records -- just fall through and ignore this record
*/
if(file_id == 0)
{
if(newname != name)
free(newname);
return(NULL);
}
&file_id);
/* search the hash table for this file record, and return if found */
HASH_FIND(hlink, mpiio_runtime->file_hash, &file_id, sizeof(darshan_record_id), file);
if(file)
if(!file)
{
if(newname != name)
free(newname);
return(file);
}
/* register the record with the darshan core component */
ret = darshan_core_register_record(file_id, (void *)newname, DARSHAN_MPIIO_MOD,
sizeof(struct darshan_mpiio_file), NULL);
if(ret == 1)
{
/* register was successful */
file = &(mpiio_runtime->file_runtime_array[mpiio_runtime->file_array_ndx]);
file->file_record =
&(mpiio_runtime->file_record_array[mpiio_runtime->file_array_ndx]);
file_rec = file->file_record;
/* no existing record, assign a new file record from the global array */
file = &(mpiio_runtime->file_runtime_array[mpiio_runtime->file_array_ndx]);
file->file_record = &(mpiio_runtime->file_record_array[mpiio_runtime->file_array_ndx]);
file->file_record->f_id = file_id;
file->file_record->rank = my_rank;
file_rec->base_rec.id = file_id;
file_rec->base_rec.rank = my_rank;
/* add new record to file hash table */
HASH_ADD(hlink, mpiio_runtime->file_hash, file_record->f_id, sizeof(darshan_record_id), file);
mpiio_runtime->file_array_ndx++;
/* add new record to file hash table */
HASH_ADD(hlink, mpiio_runtime->file_hash, file_record->base_rec.id,
sizeof(darshan_record_id), file);
mpiio_runtime->file_array_ndx++;
}
}
if(newname != name)
free(newname);
......@@ -1024,9 +1016,9 @@ static int mpiio_record_compare(const void* a_p, const void* b_p)
const struct darshan_mpiio_file* a = a_p;
const struct darshan_mpiio_file* b = b_p;
if(a->rank < b->rank)
if(a->base_rec.rank < b->base_rec.rank)
return 1;
if(a->rank > b->rank)
if(a->base_rec.rank > b->base_rec.rank)
return -1;
return 0;
......@@ -1048,9 +1040,8 @@ static void mpiio_record_reduction_op(
for(i=0; i<*len; i++)
{
memset(&tmp_file, 0, sizeof(struct darshan_mpiio_file));
tmp_file.f_id = infile->f_id;
tmp_file.rank = -1;
tmp_file.base_rec.id = infile->base_rec.id;
tmp_file.base_rec.rank = -1;
/* sum */
for(j=MPIIO_INDEP_OPENS; j<=MPIIO_VIEWS; j++)
......@@ -1358,7 +1349,7 @@ static void mpiio_get_output_data(
/* initialize fastest/slowest info prior to the reduction */
file->file_record->counters[MPIIO_FASTEST_RANK] =
file->file_record->rank;
file->file_record->base_rec.rank;
file->file_record->counters[MPIIO_FASTEST_RANK_BYTES] =
file->file_record->counters[MPIIO_BYTES_READ] +
file->file_record->counters[MPIIO_BYTES_WRITTEN];
......@@ -1376,7 +1367,7 @@ static void mpiio_get_output_data(
file->file_record->fcounters[MPIIO_F_SLOWEST_RANK_TIME] =
file->file_record->fcounters[MPIIO_F_FASTEST_RANK_TIME];
file->file_record->rank = -1;
file->file_record->base_rec.rank = -1;
}
/* sort the array of files descending by rank so that we get all of the
......@@ -1454,7 +1445,6 @@ static void mpiio_shutdown()
HASH_CLEAR(hlink, mpiio_runtime->file_hash); /* these entries are freed all at once below */
free(mpiio_runtime->file_runtime_array);
free(mpiio_runtime->file_record_array);
free(mpiio_runtime);
mpiio_runtime = NULL;
......
darshan-runtime/lib/darshan-pnetcdf.c
View file @ f78c456f
......@@ -51,12 +51,9 @@ struct pnetcdf_runtime
{
struct pnetcdf_file_runtime* file_runtime_array;
struct darshan_pnetcdf_file* file_record_array;
int file_array_size;
int file_array_ndx;
struct pnetcdf_file_runtime *file_hash;
struct pnetcdf_file_runtime_ref* ncid_hash;
struct darshan_pnetcdf_file *total_file;
};
static struct pnetcdf_runtime *pnetcdf_runtime = NULL;
......@@ -217,26 +214,28 @@ static void pnetcdf_runtime_initialize()
.get_output_data = &pnetcdf_get_output_data,
.shutdown = &pnetcdf_shutdown
};
void *mmap_buf;
int mmap_buf_size;
int mem_limit;
void *pnetcdf_buf;
int pnetcdf_buf_size;
int file_array_size;
/* don't do anything if already initialized or instrumenation is disabled */
if(pnetcdf_runtime || instrumentation_disabled)
return;
/* try and store the default number of records for this module */
pnetcdf_buf_size = DARSHAN_DEF_MOD_REC_COUNT * sizeof(struct darshan_pnetcdf_file);
/* register pnetcdf module with darshan-core */
darshan_core_register_module(
DARSHAN_PNETCDF_MOD,
&pnetcdf_mod_fns,
&pnetcdf_buf_size,
&pnetcdf_buf,
&my_rank,
&mem_limit,
&mmap_buf,
&mmap_buf_size,
NULL);
/* return if no memory assigned by darshan-core */
if(mem_limit == 0)
/* return if darshan-core does not provide enough module memory */
if(pnetcdf_buf_size < sizeof(struct darshan_pnetcdf_file))
return;
pnetcdf_runtime = malloc(sizeof(*pnetcdf_runtime));
......@@ -244,27 +243,27 @@ static void pnetcdf_runtime_initialize()
return;
memset(pnetcdf_runtime, 0, sizeof(*pnetcdf_runtime));
/* set maximum number of file records according to max memory limit */
/* NOTE: maximum number of records is based on the size of a pnetcdf file record */
/* TODO: should we base memory usage off file record or total runtime structure sizes? */
pnetcdf_runtime->file_array_size = mem_limit / sizeof(struct darshan_pnetcdf_file);
/* set number of trackable files for the PNETCDF module according to the
* amount of memory returned by darshan-core
*/
file_array_size = pnetcdf_buf_size / sizeof(struct darshan_pnetcdf_file);
pnetcdf_runtime->file_array_ndx = 0;
/* store pointer to PNETCDF record buffer given by darshan-core */
pnetcdf_runtime->file_record_array = (struct darshan_pnetcdf_file *)pnetcdf_buf;
/* allocate array of runtime file records */
pnetcdf_runtime->file_runtime_array = malloc(pnetcdf_runtime->file_array_size *
pnetcdf_runtime->file_runtime_array = malloc(file_array_size *
sizeof(struct pnetcdf_file_runtime));
/* XXX-MMAP */
pnetcdf_runtime->file_record_array = malloc(pnetcdf_runtime->file_array_size *
sizeof(struct darshan_pnetcdf_file));
if(!pnetcdf_runtime->file_runtime_array || !pnetcdf_runtime->file_record_array)
if(!pnetcdf_runtime->file_runtime_array)
{
pnetcdf_runtime->file_array_size = 0;
free(pnetcdf_runtime);
pnetcdf_runtime = NULL;
darshan_core_unregister_module(DARSHAN_PNETCDF_MOD);
return;
}
memset(pnetcdf_runtime->file_runtime_array, 0, pnetcdf_runtime->file_array_size *
memset(pnetcdf_runtime->file_runtime_array, 0, file_array_size *
sizeof(struct pnetcdf_file_runtime));
memset(pnetcdf_runtime->file_record_array, 0, pnetcdf_runtime->file_array_size *
sizeof(struct darshan_pnetcdf_file));
return;
}
......@@ -273,9 +272,10 @@ static void pnetcdf_runtime_initialize()
static struct pnetcdf_file_runtime* pnetcdf_file_by_name(const char *name)
{
struct pnetcdf_file_runtime *file = NULL;
struct darshan_pnetcdf_file *file_rec;
char *newname = NULL;
darshan_record_id file_id;
int limit_flag;
int ret;
if(!pnetcdf_runtime || instrumentation_disabled)
return(NULL);
......@@ -284,46 +284,36 @@ static struct pnetcdf_file_runtime* pnetcdf_file_by_name(const char *name)
if(!newname)
newname = (char*)name;
limit_flag = (pnetcdf_runtime->file_array_ndx >= pnetcdf_runtime->file_array_size);
/* get a unique id for this file from darshan core */
darshan_core_register_record(
/* lookup the unique id for this filename */
darshan_core_lookup_record(
(void*)newname,
strlen(newname),
DARSHAN_PNETCDF_MOD,
1,
limit_flag,
&file_id,
NULL);
/* the file record id is set to 0 if no memory is available for tracking
* new records -- just fall through and ignore this record
*/
if(file_id == 0)
{
if(newname != name)
free(newname);
return(NULL);
}
&file_id);
/* search the hash table for this file record, and return if found */
HASH_FIND(hlink, pnetcdf_runtime->file_hash, &file_id, sizeof(darshan_record_id), file);
if(file)
if(!file)
{
if(newname != name)
free(newname);
return(file);
}
/* register the record with the darshan core component */
ret = darshan_core_register_record(file_id, (void *)newname, DARSHAN_PNETCDF_MOD,
sizeof(struct darshan_pnetcdf_file), NULL);
if(ret == 1)
{
/* register was successful */
file = &(pnetcdf_runtime->file_runtime_array[pnetcdf_runtime->file_array_ndx]);
file->file_record =
&(pnetcdf_runtime->file_record_array[pnetcdf_runtime->file_array_ndx]);
file_rec = file->file_record;
/* no existing record, assign a new file record from the global array */
file = &(pnetcdf_runtime->file_runtime_array[pnetcdf_runtime->file_array_ndx]);
file->file_record = &(pnetcdf_runtime->file_record_array[pnetcdf_runtime->file_array_ndx]);
file->file_record->f_id = file_id;
file->file_record->rank = my_rank;
file_rec->base_rec.id = file_id;
file_rec->base_rec.rank = my_rank;
/* add new record to file hash table */
HASH_ADD(hlink, pnetcdf_runtime->file_hash, file_record->f_id, sizeof(darshan_record_id), file);
pnetcdf_runtime->file_array_ndx++;
/* add new record to file hash table */
HASH_ADD(hlink, pnetcdf_runtime->file_hash, file_record->base_rec.id,
sizeof(darshan_record_id), file);
pnetcdf_runtime->file_array_ndx++;
}
}
if(newname != name)
free(newname);
......@@ -415,9 +405,9 @@ static int pnetcdf_record_compare(const void* a_p, const void* b_p)
const struct darshan_pnetcdf_file* a = a_p;
const struct darshan_pnetcdf_file* b = b_p;
if(a->rank < b->rank)
if(a->base_rec.rank < b->base_rec.rank)
return 1;
if(a->rank > b->rank)
if(a->base_rec.rank > b->base_rec.rank)
return -1;
return 0;
......@@ -436,8 +426,8 @@ static void pnetcdf_record_reduction_op(void* infile_v, void* inoutfile_v,
for(i=0; i<*len; i++)
{
memset(&tmp_file, 0, sizeof(struct darshan_pnetcdf_file));
tmp_file.f_id = infile->f_id;
tmp_file.rank = -1;
tmp_file.base_rec.id = infile->base_rec.id;
tmp_file.base_rec.rank = -1;
/* sum */
for(j=PNETCDF_INDEP_OPENS; j<=PNETCDF_COLL_OPENS; j++)
......@@ -517,7 +507,7 @@ static void pnetcdf_get_output_data(
sizeof(darshan_record_id), file);
assert(file);
file->file_record->rank = -1;
file->file_record->base_rec.rank = -1;
}
/* sort the array of files descending by rank so that we get all of the
......
darshan-runtime/lib/darshan-posix.c
View file @ f78c456f
......@@ -1651,8 +1651,9 @@ static void posix_runtime_initialize()
return;
memset(posix_runtime, 0, sizeof(*posix_runtime));
/* set maximum number of file records according to max memory limit */
/* NOTE: maximum number of records is based on the size of a posix file record */
/* set number of trackable files for the POSIX module according to the
* amount of memory returned by darshan-core
*/
file_array_size = psx_buf_size / sizeof(struct darshan_posix_file);
posix_runtime->file_array_ndx = 0;
......@@ -1671,8 +1672,6 @@ static void posix_runtime_initialize()
}
memset(posix_runtime->file_runtime_array, 0, file_array_size *
sizeof(struct posix_file_runtime));
memset(posix_runtime->file_record_array, 0, file_array_size *
sizeof(struct darshan_posix_file));
return;
}
......@@ -1694,7 +1693,7 @@ static struct posix_file_runtime* posix_file_by_name(const char *name)
if(!newname)
newname = (char*)name;
/* lookup the unique id for this file */
/* lookup the unique id for this filename */
darshan_core_lookup_record(
(void*)newname,
strlen(newname),
......
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