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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 10:20:25 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-28 10:20:25 -0800
commit6556a6743549defc32e5f90ee2cb1ecd833a44c3 (patch)
tree622306583d4a3c13235a8bfc012854c125c597f1 /tools/perf/builtin-buildid-cache.c
parente0d272429a34ff143bfa04ee8e29dd4eed2964c7 (diff)
parent1dd2980d990068e20045b90c424518cc7f3657ff (diff)
downloadtalos-obmc-linux-6556a6743549defc32e5f90ee2cb1ecd833a44c3.tar.gz
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Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (172 commits) perf_event, amd: Fix spinlock initialization perf_event: Fix preempt warning in perf_clock() perf tools: Flush maps on COMM events perf_events, x86: Split PMU definitions into separate files perf annotate: Handle samples not at objdump output addr boundaries perf_events, x86: Remove superflous MSR writes perf_events: Simplify code by removing cpu argument to hw_perf_group_sched_in() perf_events, x86: AMD event scheduling perf_events: Add new start/stop PMU callbacks perf_events: Report the MMAP pgoff value in bytes perf annotate: Defer allocating sym_priv->hist array perf symbols: Improve debugging information about symtab origins perf top: Use a macro instead of a constant variable perf symbols: Check the right return variable perf/scripts: Tag syscall_name helper as not yet available perf/scripts: Add perf-trace-python Documentation perf/scripts: Remove unnecessary PyTuple resizes perf/scripts: Add syscall tracing scripts perf/scripts: Add Python scripting engine perf/scripts: Remove check-perf-trace from listed scripts ... Fix trivial conflict in tools/perf/util/probe-event.c
Diffstat (limited to 'tools/perf/builtin-buildid-cache.c')
-rw-r--r--tools/perf/builtin-buildid-cache.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c
new file mode 100644
index 000000000000..30a05f552c96
--- /dev/null
+++ b/tools/perf/builtin-buildid-cache.c
@@ -0,0 +1,133 @@
+/*
+ * builtin-buildid-cache.c
+ *
+ * Builtin buildid-cache command: Manages build-id cache
+ *
+ * Copyright (C) 2010, Red Hat Inc.
+ * Copyright (C) 2010, Arnaldo Carvalho de Melo <acme@redhat.com>
+ */
+#include "builtin.h"
+#include "perf.h"
+#include "util/cache.h"
+#include "util/debug.h"
+#include "util/header.h"
+#include "util/parse-options.h"
+#include "util/strlist.h"
+#include "util/symbol.h"
+
+static char const *add_name_list_str, *remove_name_list_str;
+
+static const char * const buildid_cache_usage[] = {
+ "perf buildid-cache [<options>]",
+ NULL
+};
+
+static const struct option buildid_cache_options[] = {
+ OPT_STRING('a', "add", &add_name_list_str,
+ "file list", "file(s) to add"),
+ OPT_STRING('r', "remove", &remove_name_list_str, "file list",
+ "file(s) to remove"),
+ OPT_BOOLEAN('v', "verbose", &verbose, "be more verbose"),
+ OPT_END()
+};
+
+static int build_id_cache__add_file(const char *filename, const char *debugdir)
+{
+ char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+ u8 build_id[BUILD_ID_SIZE];
+ int err;
+
+ if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
+ pr_debug("Couldn't read a build-id in %s\n", filename);
+ return -1;
+ }
+
+ build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
+ err = build_id_cache__add_s(sbuild_id, debugdir, filename, false);
+ if (verbose)
+ pr_info("Adding %s %s: %s\n", sbuild_id, filename,
+ err ? "FAIL" : "Ok");
+ return err;
+}
+
+static int build_id_cache__remove_file(const char *filename __used,
+ const char *debugdir __used)
+{
+ u8 build_id[BUILD_ID_SIZE];
+ char sbuild_id[BUILD_ID_SIZE * 2 + 1];
+
+ int err;
+
+ if (filename__read_build_id(filename, &build_id, sizeof(build_id)) < 0) {
+ pr_debug("Couldn't read a build-id in %s\n", filename);
+ return -1;
+ }
+
+ build_id__sprintf(build_id, sizeof(build_id), sbuild_id);
+ err = build_id_cache__remove_s(sbuild_id, debugdir);
+ if (verbose)
+ pr_info("Removing %s %s: %s\n", sbuild_id, filename,
+ err ? "FAIL" : "Ok");
+
+ return err;
+}
+
+static int __cmd_buildid_cache(void)
+{
+ struct strlist *list;
+ struct str_node *pos;
+ char debugdir[PATH_MAX];
+
+ snprintf(debugdir, sizeof(debugdir), "%s/%s", getenv("HOME"),
+ DEBUG_CACHE_DIR);
+
+ if (add_name_list_str) {
+ list = strlist__new(true, add_name_list_str);
+ if (list) {
+ strlist__for_each(pos, list)
+ if (build_id_cache__add_file(pos->s, debugdir)) {
+ if (errno == EEXIST) {
+ pr_debug("%s already in the cache\n",
+ pos->s);
+ continue;
+ }
+ pr_warning("Couldn't add %s: %s\n",
+ pos->s, strerror(errno));
+ }
+
+ strlist__delete(list);
+ }
+ }
+
+ if (remove_name_list_str) {
+ list = strlist__new(true, remove_name_list_str);
+ if (list) {
+ strlist__for_each(pos, list)
+ if (build_id_cache__remove_file(pos->s, debugdir)) {
+ if (errno == ENOENT) {
+ pr_debug("%s wasn't in the cache\n",
+ pos->s);
+ continue;
+ }
+ pr_warning("Couldn't remove %s: %s\n",
+ pos->s, strerror(errno));
+ }
+
+ strlist__delete(list);
+ }
+ }
+
+ return 0;
+}
+
+int cmd_buildid_cache(int argc, const char **argv, const char *prefix __used)
+{
+ argc = parse_options(argc, argv, buildid_cache_options,
+ buildid_cache_usage, 0);
+
+ if (symbol__init() < 0)
+ return -1;
+
+ setup_pager();
+ return __cmd_buildid_cache();
+}
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