Commit 0d3dfd75 authored by Srinivas Pandruvada's avatar Srinivas Pandruvada Committed by Hans de Goede
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tools/power/x86/intel-speed-select: Add options to force online 



It is possible that users manually offlined CPUs via sysfs interface
and then started this utility. In this case we will not be able to get
package and die id of the those CPUs. So add an option to force online
if required for some commands.

Signed-off-by: default avatarSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
parent b84733a1

tools/power/x86/intel-speed-select/isst-config.c

+21 −2
Original line number Diff line number Diff line
@@ -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();