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tools/power x86_energy_perf_policy: Prepare for MSR/sysfs refactoring

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Rename routines to make "_msr" and "_sysfs" access  methods clear

No functional change

Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Len Brown 2025-09-19 15:05:48 -04:00
parent c97c057d35
commit 8ef8fa829f
1 changed files with 19 additions and 19 deletions
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38
tools/power/x86/x86_energy_perf_policy/x86_energy_perf_policy.c
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@ -809,7 +809,7 @@ void print_hwp_request_pkg(int pkg, struct msr_hwp_request *h, char *str)
h->hwp_min, h->hwp_max, h->hwp_desired, h->hwp_epp,
h->hwp_window, h->hwp_window & 0x7F, (h->hwp_window >> 7) & 0x7);
}
void read_hwp_request(int cpu, struct msr_hwp_request *hwp_req, unsigned int msr_offset)
void read_hwp_request_msr(int cpu, struct msr_hwp_request *hwp_req, unsigned int msr_offset)
{
unsigned long long msr;
@ -823,7 +823,7 @@ void read_hwp_request(int cpu, struct msr_hwp_request *hwp_req, unsigned int msr
hwp_req->hwp_use_pkg = (((msr) >> 42) & 0x1);
}
void write_hwp_request(int cpu, struct msr_hwp_request *hwp_req, unsigned int msr_offset)
void write_hwp_request_msr(int cpu, struct msr_hwp_request *hwp_req, unsigned int msr_offset)
{
unsigned long long msr = 0;
@ -843,7 +843,7 @@ void write_hwp_request(int cpu, struct msr_hwp_request *hwp_req, unsigned int ms
put_msr(cpu, msr_offset, msr);
}
static int get_epb(int cpu)
static int get_epb_sysfs(int cpu)
{
char path[SYSFS_PATH_MAX];
char linebuf[3];
@ -865,7 +865,7 @@ static int get_epb(int cpu)
return (int)val;
}
static int set_epb(int cpu, int val)
static int set_epb_sysfs(int cpu, int val)
{
char path[SYSFS_PATH_MAX];
char linebuf[3];
@ -895,14 +895,14 @@ int print_cpu_msrs(int cpu)
struct msr_hwp_cap cap;
int epb;
epb = get_epb(cpu);
epb = get_epb_sysfs(cpu);
if (epb >= 0)
printf("cpu%d: EPB %u\n", cpu, (unsigned int) epb);
if (!has_hwp)
return 0;
read_hwp_request(cpu, &req, MSR_HWP_REQUEST);
read_hwp_request_msr(cpu, &req, MSR_HWP_REQUEST);
print_hwp_request(cpu, &req, "");
read_hwp_cap(cpu, &cap, MSR_HWP_CAPABILITIES);
@ -919,7 +919,7 @@ int print_pkg_msrs(int pkg)
if (!has_hwp)
return 0;
read_hwp_request(first_cpu_in_pkg[pkg], &req, MSR_HWP_REQUEST_PKG);
read_hwp_request_msr(first_cpu_in_pkg[pkg], &req, MSR_HWP_REQUEST_PKG);
print_hwp_request_pkg(pkg, &req, "");
if (has_hwp_notify) {
@ -1074,14 +1074,14 @@ int check_hwp_request_v_hwp_capabilities(int cpu, struct msr_hwp_request *req, s
return 0;
}
int update_hwp_request(int cpu)
int update_hwp_request_msr(int cpu)
{
struct msr_hwp_request req;
struct msr_hwp_cap cap;
int msr_offset = MSR_HWP_REQUEST;
read_hwp_request(cpu, &req, msr_offset);
read_hwp_request_msr(cpu, &req, msr_offset);
if (debug)
print_hwp_request(cpu, &req, "old: ");
@ -1111,15 +1111,15 @@ int update_hwp_request(int cpu)
verify_hwp_req_self_consistency(cpu, &req);
write_hwp_request(cpu, &req, msr_offset);
write_hwp_request_msr(cpu, &req, msr_offset);
if (debug) {
read_hwp_request(cpu, &req, msr_offset);
read_hwp_request_msr(cpu, &req, msr_offset);
print_hwp_request(cpu, &req, "new: ");
}
return 0;
}
int update_hwp_request_pkg(int pkg)
int update_hwp_request_pkg_msr(int pkg)
{
struct msr_hwp_request req;
struct msr_hwp_cap cap;
@ -1127,7 +1127,7 @@ int update_hwp_request_pkg(int pkg)
int msr_offset = MSR_HWP_REQUEST_PKG;
read_hwp_request(cpu, &req, msr_offset);
read_hwp_request_msr(cpu, &req, msr_offset);
if (debug)
print_hwp_request_pkg(pkg, &req, "old: ");
@ -1155,10 +1155,10 @@ int update_hwp_request_pkg(int pkg)
verify_hwp_req_self_consistency(cpu, &req);
write_hwp_request(cpu, &req, msr_offset);
write_hwp_request_msr(cpu, &req, msr_offset);
if (debug) {
read_hwp_request(cpu, &req, msr_offset);
read_hwp_request_msr(cpu, &req, msr_offset);
print_hwp_request_pkg(pkg, &req, "new: ");
}
return 0;
@ -1188,8 +1188,8 @@ int update_cpu_msrs(int cpu)
int epb;
if (update_epb) {
epb = get_epb(cpu);
set_epb(cpu, new_epb);
epb = get_epb_sysfs(cpu);
set_epb_sysfs(cpu, new_epb);
if (verbose)
printf("cpu%d: ENERGY_PERF_BIAS old: %d new: %d\n",
@ -1229,7 +1229,7 @@ int update_cpu_msrs(int cpu)
if (!hwp_update_enabled())
return 0;
update_hwp_request(cpu);
update_hwp_request_msr(cpu);
return 0;
}
@ -1587,7 +1587,7 @@ int main(int argc, char **argv)
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, update_sysfs);
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, update_cpu_msrs);
} else if (pkg_selected_set)
for_packages(pkg_selected_set, update_hwp_request_pkg);
for_packages(pkg_selected_set, update_hwp_request_pkg_msr);
return 0;
}