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From: John Garry <john.garry@huawei.com>
To: <peterz@infradead.org>, <mingo@redhat.com>, <acme@kernel.org>,
	<mark.rutland@arm.com>, <alexander.shishkin@linux.intel.com>,
	<jolsa@redhat.com>, <namhyung@kernel.org>
Cc: <linux-perf-users@vger.kernel.org>, <irogers@google.com>,
	<olsajiri@gmail.com>, <rric@kernel.org>, <ak@linux.intel.com>,
	John Garry <john.garry@huawei.com>
Subject: [PATCH v2 1/2] perf: Fix dependency for version file creation
Date: Mon, 21 Feb 2022 21:16:48 +0800	[thread overview]
Message-ID: <1645449409-158238-2-git-send-email-john.garry@huawei.com> (raw)
In-Reply-To: <1645449409-158238-1-git-send-email-john.garry@huawei.com>

The version generated by perf may not be correct by just changing the
head commit, like this:

$git log --pretty=format:"%H" -n 1
b5d9d4708a24ac1889a30e9aedf8af8d73102139
$perf -v
perf version 5.16.gb5d9d4708a24
$git reset --hard HEAD^
HEAD is now at 629f520b265f
$make
...
$./perf -v
perf version 5.16.gb5d9d4708a24

The dependency to building PERF-VERSION-FILE should also include ORIG_HEAD,
as this changes when changing the head commit (while HEAD does not).

Signed-off-by: John Garry <john.garry@huawei.com>
---
 tools/perf/Makefile.perf | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index ac861e42c8f7..9c935f86d172 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -691,7 +691,7 @@ $(OUTPUT)common-cmds.h: $(wildcard Documentation/perf-*.txt)
 $(SCRIPTS) : % : %.sh
 	$(QUIET_GEN)$(INSTALL) '$@.sh' '$(OUTPUT)$@'
 
-$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD
+$(OUTPUT)PERF-VERSION-FILE: ../../.git/HEAD ../../.git/ORIG_HEAD
 	$(Q)$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT)
 	$(Q)touch $(OUTPUT)PERF-VERSION-FILE
 
@@ -1144,7 +1144,7 @@ endif
 # then force version regeneration:
 #
 ifeq ($(wildcard ../../.git/HEAD),)
-    GIT-HEAD-PHONY = ../../.git/HEAD
+    GIT-HEAD-PHONY = ../../.git/HEAD ../../.git/ORIG_HEAD
 else
     GIT-HEAD-PHONY =
 endif
-- 
2.26.2


  reply	other threads:[~2022-02-21 13:22 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-21 13:16 [PATCH v2 0/2] perf tool versioning fixes John Garry
2022-02-21 13:16 ` John Garry [this message]
2022-02-21 13:16 ` [PATCH v2 2/2] perf: Fix version kernel tag John Garry
     [not found]   ` <CAP-5=fXT3VYB2uBXmihuruq==FENLFcFSHMLY0Fk29pRvU-wag@mail.gmail.com>
2022-03-11  8:27     ` John Garry
2022-03-14 22:12       ` Ian Rogers
2022-03-15 11:31         ` John Garry
2022-02-25 19:37 ` [PATCH v2 0/2] perf tool versioning fixes John Garry

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