From: Jiri Olsa <jolsa@kernel.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Ian Rogers <irogers@google.com>,
lkml <linux-kernel@vger.kernel.org>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Ingo Molnar <mingo@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Namhyung Kim <namhyung@kernel.org>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Michael Petlan <mpetlan@redhat.com>,
Song Liu <songliubraving@fb.com>,
Stephane Eranian <eranian@google.com>,
Alexei Budankov <abudankov@huawei.com>,
Andi Kleen <ak@linux.intel.com>,
Adrian Hunter <adrian.hunter@intel.com>
Subject: [PATCH 13/15] perf buildid-cache: Add --debuginfod option
Date: Mon, 14 Dec 2020 11:54:55 +0100 [thread overview]
Message-ID: <20201214105457.543111-14-jolsa@kernel.org> (raw)
In-Reply-To: <20201214105457.543111-1-jolsa@kernel.org>
Adding --debuginfod option to specify debuginfod url and
support to do that through config file as well.
Use following in ~/.perfconfig file:
[buildid-cache]
debuginfod=http://192.168.122.174:8002
Acked-by: Ian Rogers <irogers@google.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
.../perf/Documentation/perf-buildid-cache.txt | 6 ++++
tools/perf/Documentation/perf-config.txt | 7 +++++
tools/perf/builtin-buildid-cache.c | 28 +++++++++++++++++--
3 files changed, 38 insertions(+), 3 deletions(-)
diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt
index b77da5138bca..b9987d1399ca 100644
--- a/tools/perf/Documentation/perf-buildid-cache.txt
+++ b/tools/perf/Documentation/perf-buildid-cache.txt
@@ -84,6 +84,12 @@ OPTIONS
used when creating a uprobe for a process that resides in a
different mount namespace from the perf(1) utility.
+--debuginfod=URLs::
+ Specify debuginfod URL to be used when retrieving perf.data binaries,
+ it follows the same syntax as the DEBUGINFOD_URLS variable, like:
+
+ buildid-cache.debuginfod=http://192.168.122.174:8002
+
SEE ALSO
--------
linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-buildid-list[1]
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt
index 31069d8a5304..e3672c5d801b 100644
--- a/tools/perf/Documentation/perf-config.txt
+++ b/tools/perf/Documentation/perf-config.txt
@@ -238,6 +238,13 @@ buildid.*::
cache location, or to disable it altogether. If you want to disable it,
set buildid.dir to /dev/null. The default is $HOME/.debug
+buildid-cache.*::
+ buildid-cache.debuginfod=URLs
+ Specify debuginfod URLs to be used when retrieving perf.data binaries,
+ it follows the same syntax as the DEBUGINFOD_URLS variable, like:
+
+ buildid-cache.debuginfod=http://192.168.122.174:8002
+
annotate.*::
These are in control of addresses, jump function, source code
in lines of assembly code from a specific program.
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
index f0afb2c89e03..864597fd9cf6 100644
--- a/tools/perf/builtin-buildid-cache.c
+++ b/tools/perf/builtin-buildid-cache.c
@@ -27,6 +27,7 @@
#include "util/time-utils.h"
#include "util/util.h"
#include "util/probe-file.h"
+#include "util/config.h"
#include <linux/string.h>
#include <linux/err.h>
#include <linux/zalloc.h>
@@ -550,12 +551,21 @@ build_id_cache__add_perf_data(const char *path, bool all)
return err;
}
+static int perf_buildid_cache_config(const char *var, const char *value, void *cb)
+{
+ const char **debuginfod = cb;
+
+ if (!strcmp(var, "buildid-cache.debuginfod"))
+ *debuginfod = strdup(value);
+
+ return 0;
+}
+
int cmd_buildid_cache(int argc, const char **argv)
{
struct strlist *list;
struct str_node *pos;
- int ret = 0;
- int ns_id = -1;
+ int ret, ns_id = -1;
bool force = false;
bool list_files = false;
bool opts_flag = false;
@@ -565,7 +575,8 @@ int cmd_buildid_cache(int argc, const char **argv)
*purge_name_list_str = NULL,
*missing_filename = NULL,
*update_name_list_str = NULL,
- *kcore_filename = NULL;
+ *kcore_filename = NULL,
+ *debuginfod = NULL;
char sbuf[STRERR_BUFSIZE];
struct perf_data data = {
@@ -590,6 +601,8 @@ int cmd_buildid_cache(int argc, const char **argv)
OPT_BOOLEAN('f', "force", &force, "don't complain, do it"),
OPT_STRING('u', "update", &update_name_list_str, "file list",
"file(s) to update"),
+ OPT_STRING(0, "debuginfod", &debuginfod, "debuginfod url",
+ "set debuginfod url"),
OPT_INCR('v', "verbose", &verbose, "be more verbose"),
OPT_INTEGER(0, "target-ns", &ns_id, "target pid for namespace context"),
OPT_END()
@@ -599,6 +612,10 @@ int cmd_buildid_cache(int argc, const char **argv)
NULL
};
+ ret = perf_config(perf_buildid_cache_config, &debuginfod);
+ if (ret)
+ return ret;
+
argc = parse_options(argc, argv, buildid_cache_options,
buildid_cache_usage, 0);
@@ -610,6 +627,11 @@ int cmd_buildid_cache(int argc, const char **argv)
if (argc || !(list_files || opts_flag))
usage_with_options(buildid_cache_usage, buildid_cache_options);
+ if (debuginfod) {
+ pr_debug("DEBUGINFOD_URLS=%s\n", debuginfod);
+ setenv("DEBUGINFOD_URLS", debuginfod, 1);
+ }
+
/* -l is exclusive. It can not be used with other options. */
if (list_files && opts_flag) {
usage_with_options_msg(buildid_cache_usage,
--
2.26.2
next prev parent reply other threads:[~2020-12-14 11:00 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-14 10:54 [PATCHv5 00/15] perf: Add mmap2 build id support Jiri Olsa
2020-12-14 10:54 ` [PATCH 01/15] bpf: Move stack_map_get_build_id into lib Jiri Olsa
2020-12-15 15:49 ` Arnaldo Carvalho de Melo
2020-12-14 10:54 ` [PATCH 02/15] bpf: Add size arg to build_id_parse function Jiri Olsa
2020-12-14 10:54 ` [PATCH 03/15] perf: Add build id data in mmap2 event Jiri Olsa
2020-12-15 15:52 ` Arnaldo Carvalho de Melo
2020-12-15 22:01 ` Daniel Borkmann
2020-12-25 22:35 ` Jiri Olsa
2020-12-28 13:56 ` Arnaldo Carvalho de Melo
2020-12-14 10:54 ` [PATCH 04/15] tools headers uapi: Sync tools/include/uapi/linux/perf_event.h Jiri Olsa
2020-12-14 10:54 ` [PATCH 05/15] perf tools: Do not swap mmap2 fields in case it contains build id Jiri Olsa
2020-12-14 10:54 ` [PATCH 06/15] perf tools: Add support to read build id from compressed elf Jiri Olsa
2020-12-15 15:55 ` Arnaldo Carvalho de Melo
2020-12-28 13:01 ` Arnaldo Carvalho de Melo
2020-12-14 10:54 ` [PATCH 07/15] perf tools: Store build id from mmap2 events Jiri Olsa
2020-12-14 10:54 ` [PATCH 08/15] perf tools: Allow mmap2 event to synthesize kernel image Jiri Olsa
2020-12-14 10:54 ` [PATCH 09/15] perf tools: Allow mmap2 event to synthesize modules Jiri Olsa
2020-12-14 10:54 ` [PATCH 10/15] perf tools: Synthesize build id for kernel/modules/tasks Jiri Olsa
2020-12-14 10:54 ` [PATCH 11/15] perf tools: Add support to display build id for mmap2 events Jiri Olsa
2020-12-14 10:54 ` [PATCH 12/15] perf buildid-cache: Add support to add build ids from perf data Jiri Olsa
2020-12-14 10:54 ` Jiri Olsa [this message]
2020-12-15 15:53 ` [PATCH 13/15] perf buildid-cache: Add --debuginfod option Arnaldo Carvalho de Melo
2020-12-14 10:54 ` [PATCH 14/15] perf buildid-list: Add support for mmap2's buildid events Jiri Olsa
2020-12-14 10:54 ` [PATCH 15/15] perf record: Add --buildid-mmap option to enable mmap's build id Jiri Olsa
2020-12-28 13:44 ` Arnaldo Carvalho de Melo
2020-12-28 23:02 ` Jiri Olsa
2020-12-15 13:43 ` [PATCHv5 00/15] perf: Add mmap2 build id support Namhyung Kim
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