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Diffstat (limited to 'tools/power/x86/turbostat/turbostat.c')
-rw-r--r--tools/power/x86/turbostat/turbostat.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 6f7c64acee23..1a3a5b436b80 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -92,6 +92,7 @@ unsigned int do_ring_perf_limit_reasons;
unsigned int crystal_hz;
unsigned long long tsc_hz;
int base_cpu;
+int do_migrate;
double discover_bclk(unsigned int family, unsigned int model);
unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */
/* IA32_HWP_REQUEST, IA32_HWP_STATUS */
@@ -302,6 +303,9 @@ int for_all_cpus(int (func)(struct thread_data *, struct core_data *, struct pkg
int cpu_migrate(int cpu)
{
+ if (!do_migrate)
+ return 0;
+
CPU_ZERO_S(cpu_affinity_setsize, cpu_affinity_set);
CPU_SET_S(cpu, cpu_affinity_setsize, cpu_affinity_set);
if (sched_setaffinity(0, cpu_affinity_setsize, cpu_affinity_set) == -1)
@@ -5000,6 +5004,7 @@ void cmdline(int argc, char **argv)
{"hide", required_argument, 0, 'H'}, // meh, -h taken by --help
{"Joules", no_argument, 0, 'J'},
{"list", no_argument, 0, 'l'},
+ {"migrate", no_argument, 0, 'm'},
{"out", required_argument, 0, 'o'},
{"quiet", no_argument, 0, 'q'},
{"show", required_argument, 0, 's'},
@@ -5011,7 +5016,7 @@ void cmdline(int argc, char **argv)
progname = argv[0];
- while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:JM:m:o:qST:v",
+ while ((opt = getopt_long_only(argc, argv, "+C:c:Ddhi:Jmo:qST:v",
long_options, &option_index)) != -1) {
switch (opt) {
case 'a':
@@ -5054,6 +5059,9 @@ void cmdline(int argc, char **argv)
list_header_only++;
quiet++;
break;
+ case 'm':
+ do_migrate = 1;
+ break;
case 'o':
outf = fopen_or_die(optarg, "w");
break;