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Date: Tue, 15 Dec 2020 12:53:50 -0300 From: Arnaldo Carvalho de Melo <acme@...nel.org> To: Jiri Olsa <jolsa@...nel.org> Cc: Ian Rogers <irogers@...gle.com>, lkml <linux-kernel@...r.kernel.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Ingo Molnar <mingo@...nel.org>, Mark Rutland <mark.rutland@....com>, Namhyung Kim <namhyung@...nel.org>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Michael Petlan <mpetlan@...hat.com>, Song Liu <songliubraving@...com>, Stephane Eranian <eranian@...gle.com>, Alexei Budankov <abudankov@...wei.com>, Andi Kleen <ak@...ux.intel.com>, Adrian Hunter <adrian.hunter@...el.com> Subject: Re: [PATCH 13/15] perf buildid-cache: Add --debuginfod option Em Mon, Dec 14, 2020 at 11:54:55AM +0100, Jiri Olsa escreveu: > 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 I was going to try and cherry-pick this one, but it is after other changes that are dependent on other bits to be merged :-\ - Arnaldo > Acked-by: Ian Rogers <irogers@...gle.com> > Signed-off-by: Jiri Olsa <jolsa@...nel.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 > -- - Arnaldo
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