summaryrefslogtreecommitdiff
path: root/tools/power
diff options
context:
space:
mode:
Diffstat (limited to 'tools/power')
-rw-r--r--tools/power/x86/intel-speed-select/isst-config.c23
1 files changed, 21 insertions, 2 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 7b98a4a52d9e..398938879e9f 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -381,6 +381,18 @@ static void set_cpu_online_offline(int cpu, int state)
close(fd);
}
+static void force_all_cpus_online(void)
+{
+ int i;
+
+ fprintf(stderr, "Forcing all CPUs online\n");
+
+ for (i = 0; i < topo_max_cpus; ++i)
+ set_cpu_online_offline(i, 1);
+
+ unlink("/var/run/isst_cpu_topology.dat");
+}
+
#define MAX_PACKAGE_COUNT 8
#define MAX_DIE_PER_PACKAGE 2
static void for_each_online_package_in_set(void (*callback)(int, void *, void *,
@@ -2767,6 +2779,7 @@ static void usage(void)
printf("\t[-f|--format] : output format [json|text]. Default: text\n");
printf("\t[-h|--help] : Print help\n");
printf("\t[-i|--info] : Print platform information\n");
+ printf("\t[-a|--all-cpus-online] : Force online every CPU in the system\n");
printf("\t[-o|--out] : Output file\n");
printf("\t\t\tDefault : stderr\n");
printf("\t[-p|--pause] : Delay between two mail box commands in milliseconds\n");
@@ -2804,11 +2817,12 @@ static void cmdline(int argc, char **argv)
const char *pathname = "/dev/isst_interface";
char *ptr;
FILE *fp;
- int opt;
+ int opt, force_cpus_online = 0;
int option_index = 0;
int ret;
static struct option long_options[] = {
+ { "all-cpus-online", no_argument, 0, 'a' },
{ "cpu", required_argument, 0, 'c' },
{ "debug", no_argument, 0, 'd' },
{ "format", required_argument, 0, 'f' },
@@ -2844,9 +2858,12 @@ static void cmdline(int argc, char **argv)
}
progname = argv[0];
- while ((opt = getopt_long_only(argc, argv, "+c:df:hio:v", long_options,
+ while ((opt = getopt_long_only(argc, argv, "+c:df:hio:va", long_options,
&option_index)) != -1) {
switch (opt) {
+ case 'a':
+ force_cpus_online = 1;
+ break;
case 'c':
parse_cpu_command(optarg);
break;
@@ -2896,6 +2913,8 @@ static void cmdline(int argc, char **argv)
exit(0);
}
set_max_cpu_num();
+ if (force_cpus_online)
+ force_all_cpus_online();
store_cpu_topology();
set_cpu_present_cpu_mask();
set_cpu_target_cpu_mask();