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fstime.c - Seperate r/w files for each parallel (#85)

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* fstime.c - Seperate r/w files for each parallel

Existing workload is using 1 read file and 1 write file for file
read/write/copy test. In multi-parallel scenario, it leads to
high file lock contention, while read/write/copy is not stressed.

This change seperates r/w files for each parallel to satisfy the
multi-parallel test purpose.
This commit is contained in:
Pan 2023-02-27 15:02:07 +08:00 committed by GitHub
parent 6705203ac0
commit 81e9de58c5
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1 changed files with 6 additions and 2 deletions
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8
UnixBench/src/fstime.c
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@ -48,8 +48,8 @@ char SCCSid[] = "@(#) @(#)fstime.c:3.5 -- 5/15/91 19:30:19";
#define COUNTSIZE 256 #define COUNTSIZE 256
#define HALFCOUNT (COUNTSIZE/2) /* Half of COUNTSIZE */ #define HALFCOUNT (COUNTSIZE/2) /* Half of COUNTSIZE */
#define FNAME0 "dummy0" char FNAME0[] = "dummy0-XXXXXXXXXX";
#define FNAME1 "dummy1" char FNAME1[] = "dummy1-XXXXXXXXXX";
int w_test(int timeSecs); int w_test(int timeSecs);
int r_test(int timeSecs); int r_test(int timeSecs);
@ -170,6 +170,10 @@ char *argv[];
} }
*/ */
int pid = getpid();
snprintf(FNAME0 + sizeof("dummy0"), sizeof(FNAME0) - sizeof("dummy0"), "%d", pid);
snprintf(FNAME1 + sizeof("dummy1"), sizeof(FNAME1) - sizeof("dummy1"), "%d", pid);
if((f = creat(FNAME0, 0600)) == -1) { if((f = creat(FNAME0, 0600)) == -1) {
perror("fstime: creat"); perror("fstime: creat");
exit(1); exit(1);