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authorColin Percival <cperciva@FreeBSD.org>2021-10-17 20:36:38 +0000
committerColin Percival <cperciva@FreeBSD.org>2021-10-17 20:36:38 +0000
commit52e125c2bd302982c179ecc920cc9a6e166033d6 (patch)
tree55fda8d70e4884eb23acc9e301b6d30f9cf68625 /sys/kern
parent0d6516b453469ce1d92ec903c4c4df9ee08be0f9 (diff)
downloadsrc-52e125c2bd302982c179ecc920cc9a6e166033d6.tar.gz
src-52e125c2bd302982c179ecc920cc9a6e166033d6.zip
TSLOG: Report final execname, not first
In cases such as daemons launched via limits(1), a process may call exec multiple times; the last name of the last binary executed is usually (always?) more informative. Fixes: 46dd801acb23 Add userland boot profiling to TSLOG Sponsored by: https://www.patreon.com/cperciva
Diffstat (limited to 'sys/kern')
-rw-r--r--sys/kern/kern_tslog.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/sys/kern/kern_tslog.c b/sys/kern/kern_tslog.c
index 38c91911ec08..0e7ad3c9ff23 100644
--- a/sys/kern/kern_tslog.c
+++ b/sys/kern/kern_tslog.c
@@ -169,8 +169,9 @@ tslog_user(pid_t pid, pid_t ppid, const char * execname, const char * namei)
/* If we have an execname, record it. */
if (execname != NULL) {
- if (procs[pid].execname == NULL)
- procs[pid].execname = strdup(execname, M_TSLOGUSER);
+ if (procs[pid].execname != NULL)
+ free(procs[pid].execname, M_TSLOGUSER);
+ procs[pid].execname = strdup(execname, M_TSLOGUSER);
return;
}