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app/trace: verify tsc_rate specified in shm is > 0

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Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: If60eb51a1a5bad4340eb2ec39a24ad13434e9044
This commit is contained in:
Jim Harris 2017-03-28 11:07:14 -07:00 committed by Daniel Verkamp
parent a871d5e5d7
commit 10fd30eb01
1 changed files with 5 additions and 0 deletions
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5
app/trace/trace.cpp
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@ -378,6 +378,11 @@ int main(int argc, char **argv)
g_histories = (struct spdk_trace_histories *)history_ptr; g_histories = (struct spdk_trace_histories *)history_ptr;
tsc_rate = g_histories->tsc_rate; tsc_rate = g_histories->tsc_rate;
if (tsc_rate == 0) {
fprintf(stderr, "Invalid tsc_rate %ju\n", tsc_rate);
usage();
exit(-1);
}
if (verbose) { if (verbose) {
printf("TSC Rate: %ju\n", tsc_rate); printf("TSC Rate: %ju\n", tsc_rate);