linux-kernel - [PATCH 0/7] Add basic trace events for vmap/vmalloc

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Message-Id: <20221017160233.16582-1-urezki@gmail.com>
Date:   Mon, 17 Oct 2022 18:02:24 +0200
From:   "Uladzislau Rezki (Sony)" <urezki@...il.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
Cc:     linux-mm@...ck.org, LKML <linux-kernel@...r.kernel.org>,
        Christoph Hellwig <hch@...radead.org>,
        Matthew Wilcox <willy@...radead.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Uladzislau Rezki <urezki@...il.com>,
        Oleksiy Avramchenko <oleksiy.avramchenko@...y.com>
Subject: [PATCH 0/7] Add basic trace events for vmap/vmalloc

1. This small series add some basic trace events for the vmap/vmalloc code. 
Since currently we are lack of any, sometimes it is hard to start debuging
a vmap code if an issue is reported or occured.

For example https://lore.kernel.org/linux-mm/Y0p8BZIiDXLQbde%2F@pc636/T/

2. The latest patch adds two reviewers for vmalloc code.

Uladzislau Rezki (Sony) (7):
  mm: vmap: Add alloc_vmap_area trace event
  mm: vmap: Add purge_vmap_area_lazy trace event
  mm: vmap: Add free_vmap_area_noflush trace event
  mm/vmalloc: Use a trace_alloc_vmap_area event
  mm/vmalloc: Use a trace_purge_vmap_area_lazy event
  mm/vmalloc: Use a trace_free_vmap_area_noflush event
  vmalloc: Add reviewers for vmalloc code

 MAINTAINERS                 |  12 +++-
 include/trace/events/vmap.h | 123 ++++++++++++++++++++++++++++++++++++
 mm/vmalloc.c                |  20 +++++-
 3 files changed, 151 insertions(+), 4 deletions(-)
 create mode 100644 include/trace/events/vmap.h

-- 
2.30.2