kernel/patches/0272-perf-jevents-Add-support-for-an-extra-directory-leve.patch
2023-11-10 14:47:39 +08:00

94 lines
3.1 KiB
Diff

From f6d50e0a533366718c134f351042ca0cbc4dfbf4 Mon Sep 17 00:00:00 2001
From: John Garry <john.garry@huawei.com>
Date: Fri, 4 Dec 2020 19:10:07 +0800
Subject: [PATCH 155/201] perf jevents: Add support for an extra directory
level
mainline inclusion
from mainline-v5.11-rc1
commit 4853f1caa43ea41a544c50a7cefc42e147aafeda
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/I8C0CX
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4853f1caa43ea41a544c50a7cefc42e147aafeda
----------------------------------------------------------------------
Currently only upto a level 2 directory is supported, in form
vendor/platform.
Add support for a further level, to support vendor/platform
sub-directories in future, which will be vendor/platform/cpu and
vendor/platform/sys.
Signed-off-by: John Garry <john.garry@huawei.com>
Acked-by: Kajol Jain <kjain@linux.ibm.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Joakim Zhang <qiangqing.zhang@nxp.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Shaokun Zhang <zhangshaokun@hisilicon.com>
Cc: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linuxarm@huawei.com
Link: http://lore.kernel.org/lkml/1607080216-36968-2-git-send-email-john.garry@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: hongrongxuan <hongrongxuan@huawei.com>
---
tools/perf/pmu-events/jevents.c | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)
diff --git a/tools/perf/pmu-events/jevents.c b/tools/perf/pmu-events/jevents.c
index b988fa2fa270..152acb5d7a39 100644
--- a/tools/perf/pmu-events/jevents.c
+++ b/tools/perf/pmu-events/jevents.c
@@ -978,15 +978,20 @@ static int process_one_file(const char *fpath, const struct stat *sb,
int level = ftwbuf->level;
int err = 0;
- if (level == 2 && is_dir) {
+ if (level >= 2 && is_dir) {
+ int count = 0;
/*
* For level 2 directory, bname will include parent name,
* like vendor/platform. So search back from platform dir
* to find this.
+ * Something similar for level 3 directory, but we're a PMU
+ * category folder, like vendor/platform/cpu.
*/
bname = (char *) fpath + ftwbuf->base - 2;
for (;;) {
if (*bname == '/')
+ count++;
+ if (count == level - 1)
break;
bname--;
}
@@ -999,13 +1004,13 @@ static int process_one_file(const char *fpath, const struct stat *sb,
level, sb->st_size, bname, fpath);
/* base dir or too deep */
- if (level == 0 || level > 3)
+ if (level == 0 || level > 4)
return 0;
/* model directory, reset topic */
if ((level == 1 && is_dir && is_leaf_dir(fpath)) ||
- (level == 2 && is_dir)) {
+ (level >= 2 && is_dir && is_leaf_dir(fpath))) {
if (close_table)
print_events_table_suffix(eventsfp);
--
2.27.0