fix: mm/tracing: add 'accounted' entry into output of allocation tracepoints (v6.0)
authorMichael Jeanson <mjeanson@efficios.com>
Mon, 15 Aug 2022 21:22:47 +0000 (17:22 -0400)
committerMathieu Desnoyers <mathieu.desnoyers@efficios.com>
Thu, 18 Aug 2022 18:35:07 +0000 (14:35 -0400)
commit51bf63b249a46d5d6c09251b5989fc84ea77c767
tree7a9fa27a226bba291f3b1c689f33ee4ae77c5723
parent8c2e17ee9c50dee7f40595b3e84b30a8d6719751
fix: mm/tracing: add 'accounted' entry into output of allocation tracepoints (v6.0)

See upstream commit :

  commit b347aa7b57477f71c740e2bbc6d1078a7109ba23
  Author: Vasily Averin <vasily.averin@linux.dev>
  Date:   Fri Jun 3 06:21:49 2022 +0300

    mm/tracing: add 'accounted' entry into output of allocation tracepoints

    Slab caches marked with SLAB_ACCOUNT force accounting for every
    allocation from this cache even if __GFP_ACCOUNT flag is not passed.
    Unfortunately, at the moment this flag is not visible in ftrace output,
    and this makes it difficult to analyze the accounted allocations.

    This patch adds boolean "accounted" entry into trace output,
    and set it to 'true' for calls used __GFP_ACCOUNT flag and
    for allocations from caches marked with SLAB_ACCOUNT.
    Set it to 'false' if accounting is disabled in configs.

Change-Id: I023a355b94e79931499e1a1f648e2649d6dd3c89
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
include/instrumentation/events/kmem.h
src/probes/Kbuild
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