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Usleep feature added according to Nathan's suggestions.

master
Julian M. Kunkel 2018-09-30 10:01:21 +01:00
parent 0a103147ab
commit 1f1e56c363
4 changed files with 11 additions and 0 deletions
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2
doc/USER_GUIDE
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@ -170,6 +170,8 @@ GENERAL:
NOTE: it does not delay before a check write or
check read
* interIODelay - this time in us (microseconds) after each I/O simulates computing time.
* outlierThreshold - gives warning if any task is more than this number
of seconds from the mean of all participating tasks.
If so, the task is identified, its time (start,

6
src/ior.c
View File

@ -1839,11 +1839,17 @@ static IOR_offset_t WriteOrReadSingle(IOR_offset_t pairCnt, IOR_offset_t *offset
backend->xfer(access, fd, buffer, transfer, test);
if (amtXferred != transfer)
ERR("cannot write to file");
if (test->interIODelay > 0){
usleep(test->interIODelay);
}
} else if (access == READ) {
amtXferred =
backend->xfer(access, fd, buffer, transfer, test);
if (amtXferred != transfer)
ERR("cannot read from file");
if (test->interIODelay > 0){
usleep(test->interIODelay);
}
} else if (access == WRITECHECK) {
memset(checkBuffer, 'a', transfer);

1
src/ior.h
View File

@ -100,6 +100,7 @@ typedef struct
int repCounter; /* rep counter */
int multiFile; /* multiple files */
int interTestDelay; /* delay between reps in seconds */
int interIODelay; /* delay after each I/O in us */
int open; /* flag for writing or reading */
int readFile; /* read of existing file */
int writeFile; /* write of file */

2
src/parse_options.c
View File

@ -167,6 +167,8 @@ void DecodeDirective(char *line, IOR_param_t *params)
params->repetitions = atoi(value);
} else if (strcasecmp(option, "intertestdelay") == 0) {
params->interTestDelay = atoi(value);
} else if (strcasecmp(option, "interiodelay") == 0) {
params->interIODelay = atoi(value);
} else if (strcasecmp(option, "readfile") == 0) {
params->readFile = atoi(value);
} else if (strcasecmp(option, "writefile") == 0) {