tools/power/x86/intel-speed-select: Allow online/offline based on tdp
Using enable core mask, do online offline CPUs. There is a new option --online|-o for set-config-level. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Srinivas Pandruvada
Andy Shevchenko
parent
44460efe44
commit
3c64c81ad1
|
|
@ -38,6 +38,7 @@ static int fact_avx = 0xFF;
|
|||
static unsigned long long fact_trl;
|
||||
static int out_format_json;
|
||||
static int cmd_help;
|
||||
static int force_online_offline;
|
||||
|
||||
/* clos related */
|
||||
static int current_clos = -1;
|
||||
|
|
@ -138,14 +139,14 @@ int out_format_is_json(void)
|
|||
int get_physical_package_id(int cpu)
|
||||
{
|
||||
return parse_int_file(
|
||||
1, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id",
|
||||
0, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id",
|
||||
cpu);
|
||||
}
|
||||
|
||||
int get_physical_core_id(int cpu)
|
||||
{
|
||||
return parse_int_file(
|
||||
1, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
|
||||
0, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
|
||||
}
|
||||
|
||||
int get_physical_die_id(int cpu)
|
||||
|
|
@ -165,6 +166,26 @@ int get_topo_max_cpus(void)
|
|||
return topo_max_cpus;
|
||||
}
|
||||
|
||||
static void set_cpu_online_offline(int cpu, int state)
|
||||
{
|
||||
char buffer[128];
|
||||
int fd;
|
||||
|
||||
snprintf(buffer, sizeof(buffer),
|
||||
"/sys/devices/system/cpu/cpu%d/online", cpu);
|
||||
|
||||
fd = open(buffer, O_WRONLY);
|
||||
if (fd < 0)
|
||||
err(-1, "%s open failed", buffer);
|
||||
|
||||
if (state)
|
||||
write(fd, "1\n", 2);
|
||||
else
|
||||
write(fd, "0\n", 2);
|
||||
|
||||
close(fd);
|
||||
}
|
||||
|
||||
#define MAX_PACKAGE_COUNT 8
|
||||
#define MAX_DIE_PER_PACKAGE 2
|
||||
static void for_each_online_package_in_set(void (*callback)(int, void *, void *,
|
||||
|
|
@ -736,9 +757,34 @@ static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
|
|||
ret = isst_set_tdp_level(cpu, tdp_level);
|
||||
if (ret)
|
||||
perror("set_tdp_level_for_cpu");
|
||||
else
|
||||
else {
|
||||
isst_display_result(cpu, outf, "perf-profile", "set_tdp_level",
|
||||
ret);
|
||||
if (force_online_offline) {
|
||||
struct isst_pkg_ctdp_level_info ctdp_level;
|
||||
int pkg_id = get_physical_package_id(cpu);
|
||||
int die_id = get_physical_die_id(cpu);
|
||||
|
||||
fprintf(stderr, "Option is set to online/offline\n");
|
||||
ctdp_level.core_cpumask_size =
|
||||
alloc_cpu_set(&ctdp_level.core_cpumask);
|
||||
isst_get_coremask_info(cpu, tdp_level, &ctdp_level);
|
||||
if (ctdp_level.cpu_count) {
|
||||
int i, max_cpus = get_topo_max_cpus();
|
||||
for (i = 0; i < max_cpus; ++i) {
|
||||
if (pkg_id != get_physical_package_id(i) || die_id != get_physical_die_id(i))
|
||||
continue;
|
||||
if (CPU_ISSET_S(i, ctdp_level.core_cpumask_size, ctdp_level.core_cpumask)) {
|
||||
fprintf(stderr, "online cpu %d\n", i);
|
||||
set_cpu_online_offline(i, 1);
|
||||
} else {
|
||||
fprintf(stderr, "offline cpu %d\n", i);
|
||||
set_cpu_online_offline(i, 0);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
static void set_tdp_level(void)
|
||||
|
|
@ -747,6 +793,8 @@ static void set_tdp_level(void)
|
|||
fprintf(stderr, "Set Config TDP level\n");
|
||||
fprintf(stderr,
|
||||
"\t Arguments: -l|--level : Specify tdp level\n");
|
||||
fprintf(stderr,
|
||||
"\t Optional Arguments: -o | online : online/offline for the tdp level\n");
|
||||
exit(0);
|
||||
}
|
||||
|
||||
|
|
@ -1319,6 +1367,7 @@ static void parse_cmd_args(int argc, int start, char **argv)
|
|||
static struct option long_options[] = {
|
||||
{ "bucket", required_argument, 0, 'b' },
|
||||
{ "level", required_argument, 0, 'l' },
|
||||
{ "online", required_argument, 0, 'o' },
|
||||
{ "trl-type", required_argument, 0, 'r' },
|
||||
{ "trl", required_argument, 0, 't' },
|
||||
{ "help", no_argument, 0, 'h' },
|
||||
|
|
@ -1335,7 +1384,7 @@ static void parse_cmd_args(int argc, int start, char **argv)
|
|||
option_index = start;
|
||||
|
||||
optind = start + 1;
|
||||
while ((opt = getopt_long(argc, argv, "b:l:t:c:d:e:n:m:p:w:h",
|
||||
while ((opt = getopt_long(argc, argv, "b:l:t:c:d:e:n:m:p:w:ho",
|
||||
long_options, &option_index)) != -1) {
|
||||
switch (opt) {
|
||||
case 'b':
|
||||
|
|
@ -1347,6 +1396,9 @@ static void parse_cmd_args(int argc, int start, char **argv)
|
|||
case 'l':
|
||||
tdp_level = atoi(optarg);
|
||||
break;
|
||||
case 'o':
|
||||
force_online_offline = 1;
|
||||
break;
|
||||
case 't':
|
||||
sscanf(optarg, "0x%llx", &fact_trl);
|
||||
break;
|
||||
|
|
|
|||
|
|
@ -187,6 +187,8 @@ extern int isst_send_msr_command(unsigned int cpu, unsigned int command,
|
|||
int write, unsigned long long *req_resp);
|
||||
|
||||
extern int isst_get_ctdp_levels(int cpu, struct isst_pkg_ctdp *pkg_dev);
|
||||
extern int isst_get_coremask_info(int cpu, int config_index,
|
||||
struct isst_pkg_ctdp_level_info *ctdp_level);
|
||||
extern int isst_get_process_ctdp(int cpu, int tdp_level,
|
||||
struct isst_pkg_ctdp *pkg_dev);
|
||||
extern void isst_get_process_ctdp_complete(int cpu,
|
||||
|
|
|
|||
Loading…
Reference in New Issue