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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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src/jemalloc.c
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@ -1628,6 +1628,7 @@ malloc_conf_init_helper(sc_data_t *sc_data, unsigned bin_shard_sizes[SC_NBINS],
CONF_HANDLE_BOOL(opt_prof_leak_error,
"prof_leak_error")
CONF_HANDLE_BOOL(opt_prof_log, "prof_log")
CONF_HANDLE_BOOL(opt_prof_pid_namespace, "prof_pid_namespace")
CONF_HANDLE_SSIZE_T(opt_prof_recent_alloc_max,
"prof_recent_alloc_max", -1, SSIZE_MAX)
CONF_HANDLE_BOOL(opt_prof_stats, "prof_stats")