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-rw-r--r--tools/perf/builtin-top.c17
1 files changed, 14 insertions, 3 deletions
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index dc80044bc46f..8affcab75604 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1512,6 +1512,10 @@ int cmd_top(int argc, const char **argv)
"objdump binary to use for disassembly and annotations"),
OPT_STRING('M', "disassembler-style", &top.annotation_opts.disassembler_style, "disassembler style",
"Specify disassembler style (e.g. -M intel for intel syntax)"),
+ OPT_STRING(0, "prefix", &top.annotation_opts.prefix, "prefix",
+ "Add prefix to source file path names in programs (with --prefix-strip)"),
+ OPT_STRING(0, "prefix-strip", &top.annotation_opts.prefix_strip, "N",
+ "Strip first N entries of source file path name in programs (with --prefix)"),
OPT_STRING('u', "uid", &target->uid_str, "user", "user to profile"),
OPT_CALLBACK(0, "percent-limit", &top, "percent",
"Don't show entries under that percent", parse_percent_limit),
@@ -1568,9 +1572,13 @@ int cmd_top(int argc, const char **argv)
*/
status = perf_env__read_cpuid(&perf_env);
if (status) {
- pr_err("Couldn't read the cpuid for this machine: %s\n",
- str_error_r(errno, errbuf, sizeof(errbuf)));
- goto out_delete_evlist;
+ /*
+ * Some arches do not provide a get_cpuid(), so just use pr_debug, otherwise
+ * warn the user explicitely.
+ */
+ eprintf(status == ENOSYS ? 1 : 0, verbose,
+ "Couldn't read the cpuid for this machine: %s\n",
+ str_error_r(errno, errbuf, sizeof(errbuf)));
}
top.evlist->env = &perf_env;
@@ -1578,6 +1586,9 @@ int cmd_top(int argc, const char **argv)
if (argc)
usage_with_options(top_usage, options);
+ if (annotate_check_args(&top.annotation_opts) < 0)
+ goto out_delete_evlist;
+
if (!top.evlist->core.nr_entries &&
perf_evlist__add_default(top.evlist) < 0) {
pr_err("Not enough memory for event selector list\n");