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Wait for pmc name in the log before displaying data.

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This will solve an abort in case of low throughput PMCs.

MFC after: 3days
This commit is contained in:
Fabien Thomas 2010-03-28 22:46:56 +00:00
parent b4eb1a01cf
commit 9ba84a88b8
1 changed files with 8 additions and 5 deletions
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13
usr.sbin/pmcstat/pmcstat_log.c
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@ -1049,7 +1049,6 @@ pmcstat_pmcindex_to_name(int pmcin)
if (pr->pr_pmcin == pmcin)
return pmcstat_string_unintern(pr->pr_pmcname);
err(EX_SOFTWARE, "ERROR: cannot find pmcid name");
return NULL;
}
@ -1789,19 +1788,23 @@ static void
pmcstat_refresh_top(void)
{
char pmcname[40];
const char *s;
/* If in pause mode do not refresh display. */
if (pmcstat_pause)
return;
/* Wait until PMC pop in the log. */
s = pmcstat_pmcindex_to_name(pmcstat_pmcinfilter);
if (s == NULL)
return;
/* Format PMC name. */
if (pmcstat_mergepmc)
snprintf(pmcname, sizeof(pmcname), "[%s]",
pmcstat_pmcindex_to_name(pmcstat_pmcinfilter));
snprintf(pmcname, sizeof(pmcname), "[%s]", s);
else
snprintf(pmcname, sizeof(pmcname), "%s.%d",
pmcstat_pmcindex_to_name(pmcstat_pmcinfilter),
pmcstat_pmcinfilter);
s, pmcstat_pmcinfilter);
PMCSTAT_PRINTBEGIN();
PMCSTAT_PRINTW("PMC: %s Samples: %u processed, %u invalid\n\n",