From 8e1e0d74672f84e6c4b1e26ce2bb2e529aaf8676 Mon Sep 17 00:00:00 2001 From: Ravi Bangoria Date: Tue, 17 Apr 2018 09:43:45 +0530 Subject: [PATCH] perf buildid-cache: Support --list option 'perf buildid-cache' allows to add/remove files into cache but there is no option to list all cached files. Add --list option to list all _valid_ cached files. Ex, # perf buildid-cache --add /tmp/a.out # perf buildid-cache -l 8a86ef73e44067bca52cc3f6cd3e5446c783391c /tmp/a.out Signed-off-by: Ravi Bangoria Acked-by: Jiri Olsa Cc: Alexander Shishkin Cc: Kate Stewart Cc: Krister Johansen Cc: Masami Hiramatsu Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Philippe Ombredanne Cc: Sihyeon Jang Cc: Thomas Gleixner Link: http://lkml.kernel.org/r/20180417041346.5617-3-ravi.bangoria@linux.vnet.ibm.com Signed-off-by: Arnaldo Carvalho de Melo --- .../perf/Documentation/perf-buildid-cache.txt | 4 +- tools/perf/builtin-buildid-cache.c | 43 +++++++++++++++++-- 2 files changed, 43 insertions(+), 4 deletions(-) diff --git a/tools/perf/Documentation/perf-buildid-cache.txt b/tools/perf/Documentation/perf-buildid-cache.txt index 73c2650bd0db..3f285ba6e1f9 100644 --- a/tools/perf/Documentation/perf-buildid-cache.txt +++ b/tools/perf/Documentation/perf-buildid-cache.txt @@ -59,7 +59,9 @@ OPTIONS exactly same build-id, that is replaced by new one. It can be used to update kallsyms and kernel dso to vmlinux in order to support annotation. - +-l:: +--list:: + List all valid binaries from cache. -v:: --verbose:: Be more verbose. diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c index 41db2cba77eb..fd0a08661b42 100644 --- a/tools/perf/builtin-buildid-cache.c +++ b/tools/perf/builtin-buildid-cache.c @@ -25,6 +25,7 @@ #include "util/session.h" #include "util/symbol.h" #include "util/time-utils.h" +#include "util/probe-file.h" static int build_id_cache__kcore_buildid(const char *proc_dir, char *sbuildid) { @@ -297,6 +298,26 @@ static int build_id_cache__update_file(const char *filename, struct nsinfo *nsi) return err; } +static int build_id_cache__show_all(void) +{ + struct strlist *bidlist; + struct str_node *nd; + char *buf; + + bidlist = build_id_cache__list_all(true); + if (!bidlist) { + pr_debug("Failed to get buildids: -%d\n", errno); + return -1; + } + strlist__for_each_entry(nd, bidlist) { + buf = build_id_cache__origname(nd->s); + fprintf(stdout, "%s %s\n", nd->s, buf); + free(buf); + } + strlist__delete(bidlist); + return 0; +} + int cmd_buildid_cache(int argc, const char **argv) { struct strlist *list; @@ -304,6 +325,8 @@ int cmd_buildid_cache(int argc, const char **argv) int ret = 0; int ns_id = -1; bool force = false; + bool list_files = false; + bool opts_flag = false; char const *add_name_list_str = NULL, *remove_name_list_str = NULL, *purge_name_list_str = NULL, @@ -327,6 +350,7 @@ int cmd_buildid_cache(int argc, const char **argv) "file(s) to remove"), OPT_STRING('p', "purge", &purge_name_list_str, "file list", "file(s) to remove (remove old caches too)"), + OPT_BOOLEAN('l', "list", &list_files, "list all cached files"), OPT_STRING('M', "missing", &missing_filename, "file", "to find missing build ids in the cache"), OPT_BOOLEAN('f', "force", &force, "don't complain, do it"), @@ -344,11 +368,19 @@ int cmd_buildid_cache(int argc, const char **argv) argc = parse_options(argc, argv, buildid_cache_options, buildid_cache_usage, 0); - if (argc || (!add_name_list_str && !kcore_filename && - !remove_name_list_str && !purge_name_list_str && - !missing_filename && !update_name_list_str)) + opts_flag = add_name_list_str || kcore_filename || + remove_name_list_str || purge_name_list_str || + missing_filename || update_name_list_str; + + if (argc || !(list_files || opts_flag)) usage_with_options(buildid_cache_usage, buildid_cache_options); + /* -l is exclusive. It can not be used with other options. */ + if (list_files && opts_flag) { + usage_with_options_msg(buildid_cache_usage, + buildid_cache_options, "-l is exclusive.\n"); + } + if (ns_id > 0) nsi = nsinfo__new(ns_id); @@ -366,6 +398,11 @@ int cmd_buildid_cache(int argc, const char **argv) setup_pager(); + if (list_files) { + ret = build_id_cache__show_all(); + goto out; + } + if (add_name_list_str) { list = strlist__new(add_name_list_str, NULL); if (list) { -- GitLab