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authorfabient <fabient@FreeBSD.org>2010-09-03 13:54:02 +0000
committerfabient <fabient@FreeBSD.org>2010-09-03 13:54:02 +0000
commit757a8d026a387961065e755dace6ecc97f0b12c3 (patch)
tree73bfd0bd3805598ab724fffe235798ea9c7bad8d /usr.sbin/pmcstat/pmcpl_calltree.c
parent9cb74fce5a363515c8f4250b344250d6f4d3c688 (diff)
downloadFreeBSD-src-757a8d026a387961065e755dace6ecc97f0b12c3.zip
FreeBSD-src-757a8d026a387961065e755dace6ecc97f0b12c3.tar.gz
When an asm location cannot be resolved to a function the cost
will be spread as small value and then filtered by the threshold. As a first step solution display the number of event that cannot be resolved as a valid function location. MFC after: 1week
Diffstat (limited to 'usr.sbin/pmcstat/pmcpl_calltree.c')
-rw-r--r--usr.sbin/pmcstat/pmcpl_calltree.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/usr.sbin/pmcstat/pmcpl_calltree.c b/usr.sbin/pmcstat/pmcpl_calltree.c
index 7ecc56f..c647a32 100644
--- a/usr.sbin/pmcstat/pmcpl_calltree.c
+++ b/usr.sbin/pmcstat/pmcpl_calltree.c
@@ -615,6 +615,8 @@ pmcpl_ct_node_hash_lookup_pc(struct pmcpl_ct_node *parent,
*/
if ((sym = pmcstat_symbol_search(image, pc)) != NULL)
pc = sym->ps_start;
+ else
+ pmcstat_stats.ps_samples_unknown_function++;
for (hash = i = 0; i < (int)sizeof(uintfptr_t); i++)
hash += (pc >> i) & 0xFF;
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