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o Properly init prevtime, so that we don't print bogus value in the

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first entry reported by the relative mode (-R).

o Properly print negative offsets, which I guess may happen if
records get re-ordered somehow, possibly due to the locking. Right
now we report huge bogus diff (i.e. 2 seconds or so).
This commit is contained in:
Maxim Sobolev 2015-04-25 04:58:08 +00:00
parent fba6933f6e
commit da551bb2c2
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=281970
1 changed files with 13 additions and 2 deletions
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15
usr.bin/kdump/kdump.c
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@ -586,6 +586,7 @@ dumpheader(struct ktr_header *kth)
static char unknown[64];
static struct timeval prevtime, prevtime_e, temp;
const char *type;
const char *sign;
switch (kth->ktr_type) {
case KTR_SYSCALL:
@ -662,10 +663,20 @@ dumpheader(struct ktr_header *kth)
timevaladd(&kth->ktr_time, &prevtime_e);
}
if (timestamp & TIMESTAMP_RELATIVE) {
if (prevtime.tv_sec == 0)
prevtime = kth->ktr_time;
temp = kth->ktr_time;
timevalsub(&kth->ktr_time, &prevtime);
prevtime = temp;
printf("%jd.%06ld ", (intmax_t)kth->ktr_time.tv_sec,
if ((intmax_t)kth->ktr_time.tv_sec < 0) {
kth->ktr_time = prevtime;
prevtime = temp;
timevalsub(&kth->ktr_time, &prevtime);
sign = "-";
} else {
prevtime = temp;
sign = "";
}
printf("%s%jd.%06ld ", sign, (intmax_t)kth->ktr_time.tv_sec,
kth->ktr_time.tv_usec);
}
}