From 9a73c308542bea74df921e9bb9fb07d39bbf2cfa Mon Sep 17 00:00:00 2001 From: Ravi Bangoria Date: Tue, 17 Apr 2018 09:43:46 +0530 Subject: perf buildid-cache: Support --purge-all option User can remove files from cache using --remove/--purge options but both needs list of files as an argument. It's not convenient when you want to flush out entire cache. Add an option to purge all files from cache. Ex, # perf buildid-cache -l 8a86ef73e44067bca52cc3f6cd3e5446c783391c /tmp/a.out ebe71fdcf4b366518cc154d570a33cd461a51c36 /tmp/a.out.1 # perf buildid-cache -P -v Removing /tmp/a.out (8a86ef73e44067bca52cc3f6cd3e5446c783391c): Ok Removing /tmp/a.out.1 (ebe71fdcf4b366518cc154d570a33cd461a51c36): Ok Purged all: Ok 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/20180417041346.5617-4-ravi.bangoria@linux.vnet.ibm.com [ Initialize 'err' in build_id_cache__purge_all(), to fix build on debian:7, as it can be used uninitialized ] Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-buildid-cache.c | 36 +++++++++++++++++++++++++++++++++++- 1 file changed, 35 insertions(+), 1 deletion(-) (limited to 'tools/perf/builtin-buildid-cache.c') diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c index fd0a086..7a74039 100644 --- a/tools/perf/builtin-buildid-cache.c +++ b/tools/perf/builtin-buildid-cache.c @@ -240,6 +240,34 @@ out: return err; } +static int build_id_cache__purge_all(void) +{ + struct strlist *list; + struct str_node *pos; + int err = 0; + char *buf; + + list = build_id_cache__list_all(false); + if (!list) { + pr_debug("Failed to get buildids: -%d\n", errno); + return -EINVAL; + } + + strlist__for_each_entry(pos, list) { + buf = build_id_cache__origname(pos->s); + err = build_id_cache__remove_s(pos->s); + pr_debug("Removing %s (%s): %s\n", buf, pos->s, + err ? "FAIL" : "Ok"); + free(buf); + if (err) + break; + } + strlist__delete(list); + + pr_debug("Purged all: %s\n", err ? "FAIL" : "Ok"); + return err; +} + static bool dso__missing_buildid_cache(struct dso *dso, int parm __maybe_unused) { char filename[PATH_MAX]; @@ -327,6 +355,7 @@ int cmd_buildid_cache(int argc, const char **argv) bool force = false; bool list_files = false; bool opts_flag = false; + bool purge_all = false; char const *add_name_list_str = NULL, *remove_name_list_str = NULL, *purge_name_list_str = NULL, @@ -350,6 +379,7 @@ 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('P', "purge-all", &purge_all, "purge all cached files"), 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"), @@ -370,7 +400,8 @@ int cmd_buildid_cache(int argc, const char **argv) opts_flag = add_name_list_str || kcore_filename || remove_name_list_str || purge_name_list_str || - missing_filename || update_name_list_str; + missing_filename || update_name_list_str || + purge_all; if (argc || !(list_files || opts_flag)) usage_with_options(buildid_cache_usage, buildid_cache_options); @@ -457,6 +488,9 @@ int cmd_buildid_cache(int argc, const char **argv) } } + if (purge_all) + ret = build_id_cache__purge_all(); + if (missing_filename) ret = build_id_cache__fprintf_missing(session, stdout); -- cgit v1.1