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potter: back to N power HAL

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Change-Id: Ibaf21913ba08750d69479b07a5b31bb31fdb7418
This commit is contained in:
Vachounet
2017-09-16 13:43:15 +02:00
parent a70996813e
commit be87305271
27 changed files with 3665 additions and 626 deletions
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213
power/utils.c
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@@ -1,5 +1,5 @@
/*
* Copyright (c) 2012-2013,2015-2017, The Linux Foundation. All rights reserved.
* Copyright (c) 2012-2013, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
@@ -31,8 +31,9 @@
#include <dlfcn.h>
#include <fcntl.h>
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "utils.h"
#include "list.h"
@@ -42,6 +43,12 @@
#define LOG_TAG "QCOM PowerHAL"
#include <utils/Log.h>
#define USINSEC 1000000L
#define NSINUS 1000L
#define SOC_ID_0 "/sys/devices/soc0/soc_id"
#define SOC_ID_1 "/sys/devices/system/soc/soc0/id"
char scaling_gov_path[4][80] ={
"sys/devices/system/cpu/cpu0/cpufreq/scaling_governor",
"sys/devices/system/cpu/cpu1/cpufreq/scaling_governor",
@@ -49,24 +56,46 @@ char scaling_gov_path[4][80] ={
"sys/devices/system/cpu/cpu3/cpufreq/scaling_governor"
};
#define PERF_HAL_PATH "libqti-perfd-client.so"
static void *qcopt_handle;
static void *iop_handle;
static int (*perf_lock_acq)(unsigned long handle, int duration,
int list[], int numArgs);
static int (*perf_lock_rel)(unsigned long handle);
static int (*perf_hint)(int, char *, int, int);
static int (*perf_lock_use_profile)(unsigned long handle, int profile);
static int (*perf_io_prefetch_start)(int, const char*);
static int (*perf_io_prefetch_stop)();
static struct list_node active_hint_list_head;
static int profile_handle = 0;
static void *get_qcopt_handle()
{
char qcopt_lib_path[PATH_MAX] = {0};
void *handle = NULL;
dlerror();
handle = dlopen(PERF_HAL_PATH, RTLD_NOW);
if (property_get("ro.vendor.extension_library", qcopt_lib_path,
NULL)) {
handle = dlopen(qcopt_lib_path, RTLD_NOW);
if (!handle) {
ALOGE("Unable to open %s: %s\n", qcopt_lib_path,
dlerror());
}
}
return handle;
}
static void *get_iop_handle()
{
char iop_lib_path[PATH_MAX] = {0};
void *handle = NULL;
dlerror();
handle = dlopen("libqti-iop-client.so", RTLD_NOW | RTLD_LOCAL);
if (!handle) {
ALOGE("Unable to open %s: %s\n", PERF_HAL_PATH,
dlerror());
ALOGE("Unable to open prefetcher: %s\n", dlerror());
}
return handle;
@@ -84,22 +113,52 @@ static void __attribute__ ((constructor)) initialize(void)
* function pointers.
*/
perf_lock_acq = dlsym(qcopt_handle, "perf_lock_acq");
if (!perf_lock_acq) {
ALOGE("Unable to get perf_lock_acq function handle.\n");
goto fail_qcopt;
}
perf_lock_rel = dlsym(qcopt_handle, "perf_lock_rel");
if (!perf_lock_rel) {
ALOGE("Unable to get perf_lock_rel function handle.\n");
goto fail_qcopt;
}
perf_hint = dlsym(qcopt_handle, "perf_hint");
// optional
perf_lock_use_profile = dlsym(qcopt_handle, "perf_lock_use_profile");
}
if (!perf_hint) {
ALOGE("Unable to get perf_hint function handle.\n");
iop_handle = get_iop_handle();
if (!iop_handle) {
ALOGE("Failed to get prefetcher handle.\n");
} else {
perf_io_prefetch_start = (int(*)(int, const char *))dlsym(
iop_handle, "perf_io_prefetch_start");
if (!perf_io_prefetch_start) {
goto fail_iop;
}
perf_io_prefetch_stop = (int(*)())dlsym(
iop_handle, "perf_io_prefetch_stop");
if (!perf_io_prefetch_stop) {
goto fail_iop;
}
}
return;
fail_qcopt:
perf_lock_acq = NULL;
perf_lock_rel = NULL;
if (qcopt_handle) {
dlclose(qcopt_handle);
qcopt_handle = NULL;
}
fail_iop:
perf_io_prefetch_start = NULL;
perf_io_prefetch_stop = NULL;
if (iop_handle) {
dlclose(iop_handle);
iop_handle = NULL;
}
}
@@ -109,6 +168,10 @@ static void __attribute__ ((destructor)) cleanup(void)
if (dlclose(qcopt_handle))
ALOGE("Error occurred while closing qc-opt library.");
}
if (iop_handle) {
if (dlclose(iop_handle))
ALOGE("Error occurred while closing prefetcher library.");
}
}
int sysfs_read(char *path, char *s, int num_bytes)
@@ -186,34 +249,25 @@ int get_scaling_governor(char governor[], int size)
int get_scaling_governor_check_cores(char governor[], int size,int core_num)
{
if (sysfs_read(scaling_gov_path[core_num], governor,
size) == -1) {
// Can't obtain the scaling governor. Return.
return -1;
}
if (sysfs_read(scaling_gov_path[core_num], governor,
size) == -1) {
// Can't obtain the scaling governor. Return.
return -1;
}
// Strip newline at the end.
int len = strlen(governor);
len--;
while (len >= 0 && (governor[len] == '\n' || governor[len] == '\r'))
// Strip newline at the end.
int len = strlen(governor);
len--;
while (len >= 0 && (governor[len] == '\n' || governor[len] == '\r'))
governor[len--] = '\0';
return 0;
}
int is_interactive_governor(char* governor) {
if (strncmp(governor, INTERACTIVE_GOVERNOR, (strlen(INTERACTIVE_GOVERNOR)+1)) == 0)
return 1;
return 0;
}
void interaction(int duration, int num_args, int opt_list[])
{
#ifdef INTERACTION_BOOST
static int lock_handle = 0;
if (duration < 0 || num_args < 1 || opt_list[0] == NULL)
if (duration <= 0 || num_args < 1 || opt_list[0] == 0)
return;
if (qcopt_handle) {
@@ -223,47 +277,6 @@ void interaction(int duration, int num_args, int opt_list[])
ALOGE("Failed to acquire lock.");
}
}
#endif
}
int interaction_with_handle(int lock_handle, int duration, int num_args, int opt_list[])
{
if (duration < 0 || num_args < 1 || opt_list[0] == NULL)
return 0;
if (qcopt_handle) {
if (perf_lock_acq) {
lock_handle = perf_lock_acq(lock_handle, duration, opt_list, num_args);
if (lock_handle == -1)
ALOGE("Failed to acquire lock.");
}
}
return lock_handle;
}
//this is interaction_with_handle using perf_hint instead of
//perf_lock_acq
int perf_hint_enable(int hint_id , int duration)
{
int lock_handle = 0;
if (duration < 0)
return 0;
if (qcopt_handle) {
if (perf_hint) {
lock_handle = perf_hint(hint_id, NULL, duration, -1);
if (lock_handle == -1)
ALOGE("Failed to acquire lock.");
}
}
return lock_handle;
}
void release_request(int lock_handle) {
if (qcopt_handle && perf_lock_rel)
perf_lock_rel(lock_handle);
}
void perform_hint_action(int hint_id, int resource_values[], int num_resources)
@@ -359,3 +372,55 @@ void undo_initial_hint_action()
}
}
}
/* Set a static profile */
void set_profile(int profile)
{
if (qcopt_handle) {
if (perf_lock_use_profile) {
profile_handle = perf_lock_use_profile(profile_handle, profile);
if (profile_handle == -1)
ALOGE("Failed to set profile.");
if (profile < 0)
profile_handle = 0;
}
}
}
void start_prefetch(int pid, const char* packageName) {
if (iop_handle) {
if (perf_io_prefetch_start) {
perf_io_prefetch_start(pid, packageName);
}
}
}
long long calc_timespan_us(struct timespec start, struct timespec end)
{
long long diff_in_us = 0;
diff_in_us += (end.tv_sec - start.tv_sec) * USINSEC;
diff_in_us += (end.tv_nsec - start.tv_nsec) / NSINUS;
return diff_in_us;
}
int get_soc_id(void)
{
int fd;
int soc_id = -1;
char buf[10] = { 0 };
if (!access(SOC_ID_0, F_OK))
fd = open(SOC_ID_0, O_RDONLY);
else
fd = open(SOC_ID_1, O_RDONLY);
if (fd >= 0) {
if (read(fd, buf, sizeof(buf) - 1) == -1)
ALOGW("Unable to read soc_id");
else
soc_id = atoi(buf);
}
close(fd);
return soc_id;
}