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fsstress: add verifiable logging mode

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- It would be useful to have verifiable logging mode which will contain
  only deterministic information which allow to compare two logs files
  generated from two runs with same seed.
- Also add missed help for '-o logfile' option

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Dmitry Monakhov
2014-03-13 15:18:01 +11:00
committed by Dave Chinner
parent f7f9492e5c
commit 336581726f
1 changed files with 12 additions and 4 deletions
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ltp/fsstress.c
+12 -4
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@@ -246,6 +246,7 @@ int rtpct;
unsigned long seed = 0;
ino_t top_ino;
int verbose = 0;
int verifiable_log = 0;
sig_atomic_t should_stop = 0;
char *execute_cmd = NULL;
int execute_freq = 1;
@@ -315,7 +316,7 @@ int main(int argc, char **argv)
int nousage = 0;
xfs_error_injection_t err_inj;
struct sigaction action;
const char *allopts = "d:e:f:i:m:M:n:o:p:rs:S:vwx:X:zH";
const char *allopts = "d:e:f:i:m:M:n:o:p:rs:S:vVwx:X:zH";
errrange = errtag = 0;
umask(0);
@@ -396,6 +397,10 @@ int main(int argc, char **argv)
printf("\n");
nousage=1;
break;
case 'V':
verifiable_log = 1;
break;
case 'X':
execute_freq = strtoul(optarg, NULL, 0);
break;
@@ -1498,6 +1503,7 @@ usage(void)
printf(" -i filenum get verbose output for this nth file object\n");
printf(" -m modulo uid/gid modulo for chown/chgrp (default 32)\n");
printf(" -n nops specifies the no. of operations per process (default 1)\n");
printf(" -o logfile specifies logfile name\n");
printf(" -p nproc specifies the no. of processes (default 1)\n");
printf(" -r specifies random name padding\n");
printf(" -s seed specifies the seed for the random generator (default random)\n");
@@ -1506,6 +1512,7 @@ usage(void)
printf(" -x cmd execute command in the middle of operations\n");
printf(" -z zeros frequencies of all operations\n");
printf(" -S [c,t] prints the list of operations (omitting zero frequency) in command line or table style\n");
printf(" -V specifies verifiable logging mode (omitting inode numbers)\n");
printf(" -X ncmd number of calls to the -x command (default 1)\n");
printf(" -H prints usage and exits\n");
}
@@ -1533,7 +1540,8 @@ zero_freq(void)
void inode_info(char *str, size_t sz, struct stat64 *s, int verbose)
{
if (verbose)
snprintf(str, sz, "[%ld %ld %d %d %lld %lld]", (long)s->st_ino,
snprintf(str, sz, "[%ld %ld %d %d %lld %lld]",
verifiable_log ? -1: (long)s->st_ino,
(long)s->st_nlink, s->st_uid, s->st_gid,
(long long) s->st_blocks, (long long) s->st_size);
}
@@ -1773,11 +1781,11 @@ bulkstat1_f(int opno, long r)
bsr.icount=1;
bsr.ubuffer=&t;
bsr.ocount=NULL;
e = xfsctl(".", fd, XFS_IOC_FSBULKSTAT_SINGLE, &bsr) < 0 ? errno : 0;
if (v)
printf("%d/%d: bulkstat1 %s ino %lld %d\n",
procid, opno, good?"real":"random", (long long)ino, e);
procid, opno, good?"real":"random",
verifiable_log ? -1LL : (long long)ino, e);
close(fd);
}