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Mon, 17 Oct 2022 09:02:35 -0700 (PDT) From: "Uladzislau Rezki (Sony)" To: Andrew Morton Cc: linux-mm@kvack.org, LKML , Christoph Hellwig , Matthew Wilcox , Nicholas Piggin , Uladzislau Rezki , Oleksiy Avramchenko Subject: [PATCH 0/7] Add basic trace events for vmap/vmalloc Date: Mon, 17 Oct 2022 18:02:24 +0200 Message-Id: <20221017160233.16582-1-urezki@gmail.com> X-Mailer: git-send-email 2.30.2 MIME-Version: 1.0 ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1666022558; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-transfer-encoding:content-transfer-encoding: in-reply-to:references:dkim-signature; bh=JBpMeWVqrECTd7MIwzJ6hbW35EOOSdT3Rt1Nl1wGKTk=; b=Wo8k4Pl5nCRtIZJStxenWsulyzPG11fXeKzMA4T87QsaGioMlY302KIyDNKoPEaMYQRpyu hySPds/LAs9utji+iLrK3Wo0qcyXZP+SYeMmglt03J8VyYxhZrj6vgviZeyJAY0xK212wV K2JiPFDaxCmPXwTwvPAkjF5m77R8du0= ARC-Authentication-Results: i=1; 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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