perf tools: Introduce new sort type "socket" for the processor socket
This patch enable perf report to sort by processor socket:
$ perf report --stdio --sort socket,comm,dso,symbol
# To display the perf.data header info, please use --header/--header-only options.
#
# Total Lost Samples: 0
#
# Samples: 686 of event 'cycles'
# Event count (approx.): 349215462
#
# Overhead SOCKET Command Shared Object Symbol
# ........ ...... ....... ................ ............................
#
97.05% 000 test test [.] plusB_c
0.98% 000 test test [.] plusA_c
0.93% 001 perf [kernel.vmlinux] [k] smp_call_function_single
0.19% 001 perf [kernel.vmlinux] [k] page_fault
0.19% 001 swapper [kernel.vmlinux] [k] pm_qos_request
0.16% 000 test [kernel.vmlinux] [k] add_mm_counter_fast
Signed-off-by: Kan Liang <kan.liang@intel.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1441377946-44429-2-git-send-email-kan.liang@intel.com
[ Fix col calc, un-allcapsify col header & read the topology when not using perf.data ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index e5ca684..bdaf44f 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -963,6 +963,13 @@
machine__synthesize_threads(&top->session->machines.host, &opts->target,
top->evlist->threads, false, opts->proc_map_timeout);
+
+ if (sort__has_socket) {
+ ret = perf_env__read_cpu_topology_map(&perf_env);
+ if (ret < 0)
+ goto out_err_cpu_topo;
+ }
+
ret = perf_top__start_counters(top);
if (ret)
goto out_delete;
@@ -1020,6 +1027,14 @@
top->session = NULL;
return ret;
+
+out_err_cpu_topo: {
+ char errbuf[BUFSIZ];
+ const char *err = strerror_r(-ret, errbuf, sizeof(errbuf));
+
+ ui__error("Could not read the CPU topology map: %s\n", err);
+ goto out_delete;
+}
}
static int