From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Ingo Molnar <mingo@kernel.org>, Thomas Gleixner <tglx@linutronix.de>
Cc: Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
Clark Williams <williams@redhat.com>,
linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
Arnaldo Carvalho de Melo <acme@redhat.com>,
Adrian Hunter <adrian.hunter@intel.com>
Subject: [PATCH 03/19] perf llvm: Add debug hint message about missing kernel-devel package
Date: Tue, 10 Mar 2020 08:15:35 -0300 [thread overview]
Message-ID: <20200310111551.25160-4-acme@kernel.org> (raw)
In-Reply-To: <20200310111551.25160-1-acme@kernel.org>
From: Arnaldo Carvalho de Melo <acme@redhat.com>
To help in debugging, add this extra message:
detect_kbuild_dir: Couldn't find "/lib/modules/5.4.20-200.fc31.x86_64/build/include/generated/autoconf.h", missing kernel-devel package?.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/llvm-utils.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/tools/perf/util/llvm-utils.c b/tools/perf/util/llvm-utils.c
index b5af680fc667..dbdffb6673fe 100644
--- a/tools/perf/util/llvm-utils.c
+++ b/tools/perf/util/llvm-utils.c
@@ -265,6 +265,8 @@ static int detect_kbuild_dir(char **kbuild_dir)
return -ENOMEM;
return 0;
}
+ pr_debug("%s: Couldn't find \"%s\", missing kernel-devel package?.\n",
+ __func__, autoconf_path);
free(autoconf_path);
return -ENOENT;
}
--
2.21.1
next prev parent reply other threads:[~2020-03-10 11:15 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-10 11:15 [GIT PULL] perf/core improvements and fixes Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 01/19] tools lib api fs: Move cgroupsfs_find_mountpoint() Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 02/19] perf stat: Show percore counts in per CPU output Arnaldo Carvalho de Melo
2020-03-10 11:15 ` Arnaldo Carvalho de Melo [this message]
2020-03-10 11:15 ` [PATCH 04/19] perf annotate: Get rid of annotation->nr_jumps Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 05/19] libperf: Add counting example Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 06/19] tools lib traceevent: Remove extra '\n' in print_event_time() Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 07/19] tools headers UAPI: Update tools's copy of linux/perf_event.h Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 08/19] perf tools: Add hw_idx in struct branch_stack Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 09/19] perf evsel: Support PERF_SAMPLE_BRANCH_HW_INDEX Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 10/19] perf header: Add check for unexpected use of reserved membrs in event attr Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 11/19] perf expr: Add expr.c object Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 12/19] perf expr: Move expr lexer to flex Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 13/19] perf expr: Increase EXPR_MAX_OTHER to support metrics with more than 15 variables Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 14/19] perf expr: Straighten expr__parse()/expr__find_other() interface Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 15/19] perf expr: Make expr__parse() return -1 on error Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 16/19] perf block-info: Fix wrong block address comparison in block_info__cmp() Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 17/19] perf diff: Use __block_info__cmp() to replace block_pair_cmp() Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 18/19] perf block-info: Allow selecting which columns to report and its order Arnaldo Carvalho de Melo
2020-03-10 11:15 ` [PATCH 19/19] perf block-info: Support color ops to print block percents in color Arnaldo Carvalho de Melo
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