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Add support for namespace pids in heap profile names

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This change adds support for writing pid namespaces to the filename of a
heap profile. When running with namespaces pids may reused across
namespaces and if mounts are shared where profiles are written there is
not a great way to differentiate profiles between pids.

Signed-off-by: Daniel Hodges <hodges.daniel.scott@gmail.com>
Signed-off-by: Daniel Hodges <hodgesd@fb.com>
This commit is contained in:
Daniel Hodges
2023-12-23 19:40:44 -05:00
committed by Qi Wang
parent 83b075789b
commit 11038ff762
7 changed files with 93 additions and 10 deletions
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test/unit/mallctl.c
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@@ -317,6 +317,7 @@ TEST_BEGIN(test_mallctl_opt) {
TEST_MALLCTL_OPT(unsigned, prof_bt_max, prof);
TEST_MALLCTL_OPT(ssize_t, lg_prof_sample, prof);
TEST_MALLCTL_OPT(bool, prof_accum, prof);
TEST_MALLCTL_OPT(bool, prof_pid_namespace, prof);
TEST_MALLCTL_OPT(ssize_t, lg_prof_interval, prof);
TEST_MALLCTL_OPT(bool, prof_gdump, prof);
TEST_MALLCTL_OPT(bool, prof_final, prof);