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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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3
include/jemalloc/internal/prof_externs.h
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@ -26,6 +26,9 @@ extern char opt_prof_prefix[
1];
extern bool opt_prof_unbias;
/* Include pid namespace in profile file names. */
extern bool opt_prof_pid_namespace;
/* For recording recent allocations */
extern ssize_t opt_prof_recent_alloc_max;