| /* |
| * 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 |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #define LOG_NDEBUG 1 |
| |
| #include <errno.h> |
| #include <inttypes.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <dlfcn.h> |
| #include <stdlib.h> |
| |
| #define LOG_TAG "QCOM PowerHAL" |
| #include <utils/Log.h> |
| #include <hardware/power.h> |
| #include <cutils/properties.h> |
| |
| #include "utils.h" |
| #include "metadata-defs.h" |
| #include "hint-data.h" |
| #include "performance.h" |
| #include "power-common.h" |
| #include "power-helper.h" |
| |
| #define USINSEC 1000000L |
| #define NSINUS 1000L |
| |
| #ifndef RPM_STAT |
| #define RPM_STAT "/d/rpm_stats" |
| #endif |
| |
| #ifndef RPM_MASTER_STAT |
| #define RPM_MASTER_STAT "/d/rpm_master_stats" |
| #endif |
| |
| #ifndef WLAN_POWER_STAT |
| #define WLAN_POWER_STAT "/d/wlan_wcnss/power_stats" |
| #endif |
| |
| static const char *rpm_param_names[] = { |
| "vlow_count", |
| "accumulated_vlow_time", |
| "vmin_count", |
| "accumulated_vmin_time" |
| }; |
| |
| static const char *rpm_master_param_names[] = { |
| "xo_accumulated_duration", |
| "xo_count", |
| "xo_accumulated_duration", |
| "xo_count", |
| "xo_accumulated_duration", |
| "xo_count", |
| "xo_accumulated_duration", |
| "xo_count" |
| }; |
| |
| static const char *wlan_param_names[] = { |
| "cumulative_sleep_time_ms", |
| "cumulative_total_on_time_ms", |
| "deep_sleep_enter_counter", |
| "last_deep_sleep_enter_tstamp_ms" |
| }; |
| |
| |
| static int saved_dcvs_cpu0_slack_max = -1; |
| static int saved_dcvs_cpu0_slack_min = -1; |
| static int saved_mpdecision_slack_max = -1; |
| static int saved_mpdecision_slack_min = -1; |
| static int saved_interactive_mode = -1; |
| static int slack_node_rw_failed = 0; |
| static int display_hint_sent; |
| int display_boost; |
| static int sustained_mode_handle = 0; |
| static int vr_mode_handle = 0; |
| int sustained_performance_mode = 0; |
| int vr_mode = 0; |
| |
| //interaction boost global variables |
| static struct timespec s_previous_boost_timespec; |
| static int s_previous_duration; |
| |
| void power_init(void) |
| { |
| ALOGV("QCOM power HAL initing."); |
| |
| int fd; |
| char buf[10] = {0}; |
| |
| fd = open("/sys/devices/soc0/soc_id", O_RDONLY); |
| if (fd >= 0) { |
| if (read(fd, buf, sizeof(buf) - 1) == -1) { |
| ALOGW("Unable to read soc_id"); |
| } else { |
| int soc_id = atoi(buf); |
| if (soc_id == 194 || (soc_id >= 208 && soc_id <= 218) || soc_id == 178) { |
| display_boost = 1; |
| } |
| } |
| close(fd); |
| } |
| } |
| |
| static void process_video_decode_hint(void *metadata) |
| { |
| char governor[80]; |
| struct video_decode_metadata_t video_decode_metadata; |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| |
| return; |
| } |
| |
| if (metadata) { |
| ALOGV("Processing video decode hint. Metadata: %s", (char *)metadata); |
| } |
| |
| /* Initialize encode metadata struct fields. */ |
| memset(&video_decode_metadata, 0, sizeof(struct video_decode_metadata_t)); |
| video_decode_metadata.state = -1; |
| video_decode_metadata.hint_id = DEFAULT_VIDEO_DECODE_HINT_ID; |
| |
| if (metadata) { |
| if (parse_video_decode_metadata((char *)metadata, &video_decode_metadata) == |
| -1) { |
| ALOGE("Error occurred while parsing metadata."); |
| return; |
| } |
| } else { |
| return; |
| } |
| |
| if (video_decode_metadata.state == 1) { |
| if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) { |
| int resource_values[] = {THREAD_MIGRATION_SYNC_OFF}; |
| |
| perform_hint_action(video_decode_metadata.hint_id, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| } else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| int resource_values[] = {TR_MS_30, HISPEED_LOAD_90, HS_FREQ_1026, THREAD_MIGRATION_SYNC_OFF}; |
| |
| perform_hint_action(video_decode_metadata.hint_id, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| } |
| } else if (video_decode_metadata.state == 0) { |
| if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) { |
| } else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| undo_hint_action(video_decode_metadata.hint_id); |
| } |
| } |
| } |
| |
| static void process_video_encode_hint(void *metadata) |
| { |
| char governor[80]; |
| struct video_encode_metadata_t video_encode_metadata; |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| |
| return; |
| } |
| |
| /* Initialize encode metadata struct fields. */ |
| memset(&video_encode_metadata, 0, sizeof(struct video_encode_metadata_t)); |
| video_encode_metadata.state = -1; |
| video_encode_metadata.hint_id = DEFAULT_VIDEO_ENCODE_HINT_ID; |
| |
| if (metadata) { |
| if (parse_video_encode_metadata((char *)metadata, &video_encode_metadata) == |
| -1) { |
| ALOGE("Error occurred while parsing metadata."); |
| return; |
| } |
| } else { |
| return; |
| } |
| |
| if (video_encode_metadata.state == 1) { |
| if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) { |
| int resource_values[] = {IO_BUSY_OFF, SAMPLING_DOWN_FACTOR_1, THREAD_MIGRATION_SYNC_OFF}; |
| |
| perform_hint_action(video_encode_metadata.hint_id, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| } else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| int resource_values[] = {TR_MS_30, HISPEED_LOAD_90, HS_FREQ_1026, THREAD_MIGRATION_SYNC_OFF, |
| INTERACTIVE_IO_BUSY_OFF}; |
| |
| perform_hint_action(video_encode_metadata.hint_id, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| } |
| } else if (video_encode_metadata.state == 0) { |
| if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) { |
| undo_hint_action(video_encode_metadata.hint_id); |
| } else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| undo_hint_action(video_encode_metadata.hint_id); |
| } |
| } |
| } |
| |
| int __attribute__ ((weak)) power_hint_override(power_hint_t UNUSED(hint), |
| void * UNUSED(data)) |
| { |
| return HINT_NONE; |
| } |
| |
| /* Declare function before use */ |
| void interaction(int duration, int num_args, int opt_list[]); |
| void release_request(int lock_handle); |
| |
| static 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; |
| } |
| |
| void power_hint(power_hint_t hint, void *data) |
| { |
| /* Check if this hint has been overridden. */ |
| if (power_hint_override(hint, data) == HINT_HANDLED) { |
| /* The power_hint has been handled. We can skip the rest. */ |
| return; |
| } |
| |
| switch(hint) { |
| case POWER_HINT_VSYNC: |
| break; |
| /* Sustained performance mode: |
| * All CPUs are capped to ~1.2GHz |
| * GPU frequency is capped to 315MHz |
| */ |
| /* VR+Sustained performance mode: |
| * All CPUs are locked to ~1.2GHz |
| * GPU frequency is locked to 315MHz |
| * GPU BW min_freq is raised to 775MHz |
| */ |
| case POWER_HINT_SUSTAINED_PERFORMANCE: |
| { |
| int duration = 0; |
| if (data && sustained_performance_mode == 0) { |
| int* resources; |
| if (vr_mode == 0) { // Sustained mode only. |
| // Ensure that POWER_HINT_LAUNCH is not in progress. |
| if (launch_mode == 1) { |
| release_request(launch_handle); |
| launch_mode = 0; |
| } |
| // 0x40804000: cpu0 max freq |
| // 0x40804100: cpu2 max freq |
| // 0x42C20000: gpu max freq |
| // 0x42C24000: gpu min freq |
| // 0x42C28000: gpu bus min freq |
| int resources[] = {0x40804000, 1209, 0x40804100, 1209, |
| 0x42C24000, 133, 0x42C20000, 315, |
| 0x42C28000, 7759}; |
| sustained_mode_handle = interaction_with_handle( |
| sustained_mode_handle, duration, |
| sizeof(resources) / sizeof(resources[0]), resources); |
| } else if (vr_mode == 1) { // Sustained + VR mode. |
| release_request(vr_mode_handle); |
| // 0x40804000: cpu0 max freq |
| // 0x40804100: cpu2 max freq |
| // 0x40800000: cpu0 min freq |
| // 0x40800100: cpu2 min freq |
| // 0x42C20000: gpu max freq |
| // 0x42C24000: gpu min freq |
| // 0x42C28000: gpu bus min freq |
| int resources[] = {0x40800000, 1209, 0x40800100, 1209, |
| 0x40804000, 1209, 0x40804100, 1209, |
| 0x42C24000, 315, 0x42C20000, 315, |
| 0x42C28000, 7759}; |
| sustained_mode_handle = interaction_with_handle( |
| sustained_mode_handle, duration, |
| sizeof(resources) / sizeof(resources[0]), resources); |
| } |
| sustained_performance_mode = 1; |
| } else if (sustained_performance_mode == 1) { |
| release_request(sustained_mode_handle); |
| if (vr_mode == 1) { // Switch back to VR Mode. |
| // 0x40804000: cpu0 max freq |
| // 0x40804100: cpu2 max freq |
| // 0x40800000: cpu0 min freq |
| // 0x40800100: cpu2 min freq |
| // 0x42C20000: gpu max freq |
| // 0x42C24000: gpu min freq |
| // 0x42C28000: gpu bus min freq |
| int resources[] = {0x40804000, 1440, 0x40804100, 1440, |
| 0x40800000, 1440, 0x40800100, 1440, |
| 0x42C20000, 510, 0x42C24000, 510, |
| 0x42C28000, 7759}; |
| vr_mode_handle = interaction_with_handle( |
| vr_mode_handle, duration, |
| sizeof(resources) / sizeof(resources[0]), resources); |
| } |
| sustained_performance_mode = 0; |
| } |
| } |
| break; |
| /* VR mode: |
| * All CPUs are locked at ~1.4GHz |
| * GPU frequency is locked to 510MHz |
| * GPU BW min_freq is raised to 775MHz |
| */ |
| case POWER_HINT_VR_MODE: |
| { |
| int duration = 0; |
| if (data && vr_mode == 0) { |
| if (sustained_performance_mode == 0) { // VR mode only. |
| // Ensure that POWER_HINT_LAUNCH is not in progress. |
| if (launch_mode == 1) { |
| release_request(launch_handle); |
| launch_mode = 0; |
| } |
| // 0x40804000: cpu0 max freq |
| // 0x40804100: cpu2 max freq |
| // 0x40800000: cpu0 min freq |
| // 0x40800100: cpu2 min freq |
| // 0x42C20000: gpu max freq |
| // 0x42C24000: gpu min freq |
| // 0x42C28000: gpu bus min freq |
| int resources[] = {0x40800000, 1440, 0x40800100, 1440, |
| 0x40804000, 1440, 0x40804100, 1440, |
| 0x42C20000, 510, 0x42C24000, 510, |
| 0x42C28000, 7759}; |
| vr_mode_handle = interaction_with_handle( |
| vr_mode_handle, duration, |
| sizeof(resources) / sizeof(resources[0]), resources); |
| } else if (sustained_performance_mode == 1) { // Sustained + VR mode. |
| release_request(sustained_mode_handle); |
| // 0x40804000: cpu0 max freq |
| // 0x40804100: cpu2 max freq |
| // 0x40800000: cpu0 min freq |
| // 0x40800100: cpu2 min freq |
| // 0x42C20000: gpu max freq |
| // 0x42C24000: gpu min freq |
| // 0x42C28000: gpu bus min freq |
| int resources[] = {0x40800000, 1209, 0x40800100, 1209, |
| 0x40804000, 1209, 0x40804100, 1209, |
| 0x42C24000, 315, 0x42C20000, 315, |
| 0x42C28000, 7759}; |
| |
| vr_mode_handle = interaction_with_handle( |
| vr_mode_handle, duration, |
| sizeof(resources) / sizeof(resources[0]), resources); |
| } |
| vr_mode = 1; |
| } else if (vr_mode == 1) { |
| release_request(vr_mode_handle); |
| if (sustained_performance_mode == 1) { // Switch back to sustained Mode. |
| // 0x40804000: cpu0 max freq |
| // 0x40804100: cpu2 max freq |
| // 0x40800000: cpu0 min freq |
| // 0x40800100: cpu2 min freq |
| // 0x42C20000: gpu max freq |
| // 0x42C24000: gpu min freq |
| // 0x42C28000: gpu bus min freq |
| int resources[] = {0x40800000, 0, 0x40800100, 0, |
| 0x40804000, 1209, 0x40804100, 1209, |
| 0x42C24000, 133, 0x42C20000, 315, |
| 0x42C28000, 0}; |
| sustained_mode_handle = interaction_with_handle( |
| sustained_mode_handle, duration, |
| sizeof(resources) / sizeof(resources[0]), resources); |
| } |
| vr_mode = 0; |
| } |
| } |
| break; |
| case POWER_HINT_INTERACTION: |
| { |
| char governor[80]; |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| return; |
| } |
| |
| if (sustained_performance_mode || vr_mode) { |
| return; |
| } |
| |
| int duration = 1500; // 1.5s by default |
| if (data) { |
| int input_duration = *((int*)data) + 750; |
| if (input_duration > duration) { |
| duration = (input_duration > 5750) ? 5750 : input_duration; |
| } |
| } |
| |
| struct timespec cur_boost_timespec; |
| clock_gettime(CLOCK_MONOTONIC, &cur_boost_timespec); |
| |
| long long elapsed_time = calc_timespan_us(s_previous_boost_timespec, cur_boost_timespec); |
| // don't hint if previous hint's duration covers this hint's duration |
| if ((s_previous_duration * 1000) > (elapsed_time + duration * 1000)) { |
| return; |
| } |
| s_previous_boost_timespec = cur_boost_timespec; |
| s_previous_duration = duration; |
| |
| // Scheduler is EAS. |
| if (true || strncmp(governor, SCHED_GOVERNOR, strlen(SCHED_GOVERNOR)) == 0) { |
| // Setting the value of foreground schedtune boost to 50 and |
| // scaling_min_freq to 1100MHz. |
| int resources[] = {0x40800000, 1100, 0x40800100, 1100, 0x42C0C000, 0x32, 0x41800000, 0x33}; |
| interaction(duration, sizeof(resources)/sizeof(resources[0]), resources); |
| } else { // Scheduler is HMP. |
| int resources[] = {0x41800000, 0x33, 0x40800000, 1000, 0x40800100, 1000, 0x40C00000, 0x1}; |
| interaction(duration, sizeof(resources)/sizeof(resources[0]), resources); |
| } |
| } |
| break; |
| case POWER_HINT_VIDEO_ENCODE: |
| process_video_encode_hint(data); |
| break; |
| case POWER_HINT_VIDEO_DECODE: |
| process_video_decode_hint(data); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| int __attribute__ ((weak)) set_interactive_override(int UNUSED(on)) |
| { |
| return HINT_NONE; |
| } |
| |
| void power_set_interactive(int on) |
| { |
| char governor[80]; |
| char tmp_str[NODE_MAX]; |
| struct video_encode_metadata_t video_encode_metadata; |
| int rc = 0; |
| |
| if (set_interactive_override(on) == HINT_HANDLED) { |
| return; |
| } |
| |
| ALOGV("Got set_interactive hint"); |
| |
| if (get_scaling_governor(governor, sizeof(governor)) == -1) { |
| ALOGE("Can't obtain scaling governor."); |
| |
| return; |
| } |
| |
| if (!on) { |
| /* Display off. */ |
| if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) { |
| int resource_values[] = {DISPLAY_OFF, MS_500, THREAD_MIGRATION_SYNC_OFF}; |
| |
| if (!display_hint_sent) { |
| perform_hint_action(DISPLAY_STATE_HINT_ID, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| display_hint_sent = 1; |
| } |
| } else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| int resource_values[] = {TR_MS_50, THREAD_MIGRATION_SYNC_OFF}; |
| |
| if (!display_hint_sent) { |
| perform_hint_action(DISPLAY_STATE_HINT_ID, |
| resource_values, sizeof(resource_values)/sizeof(resource_values[0])); |
| display_hint_sent = 1; |
| } |
| } else if ((strncmp(governor, MSMDCVS_GOVERNOR, strlen(MSMDCVS_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(MSMDCVS_GOVERNOR))) { |
| if (saved_interactive_mode == 1){ |
| /* Display turned off. */ |
| if (sysfs_read(DCVS_CPU0_SLACK_MAX_NODE, tmp_str, NODE_MAX - 1)) { |
| if (!slack_node_rw_failed) { |
| ALOGE("Failed to read from %s", DCVS_CPU0_SLACK_MAX_NODE); |
| } |
| |
| rc = 1; |
| } else { |
| saved_dcvs_cpu0_slack_max = atoi(tmp_str); |
| } |
| |
| if (sysfs_read(DCVS_CPU0_SLACK_MIN_NODE, tmp_str, NODE_MAX - 1)) { |
| if (!slack_node_rw_failed) { |
| ALOGE("Failed to read from %s", DCVS_CPU0_SLACK_MIN_NODE); |
| } |
| |
| rc = 1; |
| } else { |
| saved_dcvs_cpu0_slack_min = atoi(tmp_str); |
| } |
| |
| if (sysfs_read(MPDECISION_SLACK_MAX_NODE, tmp_str, NODE_MAX - 1)) { |
| if (!slack_node_rw_failed) { |
| ALOGE("Failed to read from %s", MPDECISION_SLACK_MAX_NODE); |
| } |
| |
| rc = 1; |
| } else { |
| saved_mpdecision_slack_max = atoi(tmp_str); |
| } |
| |
| if (sysfs_read(MPDECISION_SLACK_MIN_NODE, tmp_str, NODE_MAX - 1)) { |
| if(!slack_node_rw_failed) { |
| ALOGE("Failed to read from %s", MPDECISION_SLACK_MIN_NODE); |
| } |
| |
| rc = 1; |
| } else { |
| saved_mpdecision_slack_min = atoi(tmp_str); |
| } |
| |
| /* Write new values. */ |
| if (saved_dcvs_cpu0_slack_max != -1) { |
| snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_dcvs_cpu0_slack_max); |
| |
| if (sysfs_write(DCVS_CPU0_SLACK_MAX_NODE, tmp_str) != 0) { |
| if (!slack_node_rw_failed) { |
| ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MAX_NODE); |
| } |
| |
| rc = 1; |
| } |
| } |
| |
| if (saved_dcvs_cpu0_slack_min != -1) { |
| snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_dcvs_cpu0_slack_min); |
| |
| if (sysfs_write(DCVS_CPU0_SLACK_MIN_NODE, tmp_str) != 0) { |
| if(!slack_node_rw_failed) { |
| ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MIN_NODE); |
| } |
| |
| rc = 1; |
| } |
| } |
| |
| if (saved_mpdecision_slack_max != -1) { |
| snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_mpdecision_slack_max); |
| |
| if (sysfs_write(MPDECISION_SLACK_MAX_NODE, tmp_str) != 0) { |
| if(!slack_node_rw_failed) { |
| ALOGE("Failed to write to %s", MPDECISION_SLACK_MAX_NODE); |
| } |
| |
| rc = 1; |
| } |
| } |
| |
| if (saved_mpdecision_slack_min != -1) { |
| snprintf(tmp_str, NODE_MAX, "%d", 10 * saved_mpdecision_slack_min); |
| |
| if (sysfs_write(MPDECISION_SLACK_MIN_NODE, tmp_str) != 0) { |
| if(!slack_node_rw_failed) { |
| ALOGE("Failed to write to %s", MPDECISION_SLACK_MIN_NODE); |
| } |
| |
| rc = 1; |
| } |
| } |
| } |
| |
| slack_node_rw_failed = rc; |
| } |
| } else { |
| /* Display on. */ |
| if ((strncmp(governor, ONDEMAND_GOVERNOR, strlen(ONDEMAND_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(ONDEMAND_GOVERNOR))) { |
| undo_hint_action(DISPLAY_STATE_HINT_ID); |
| display_hint_sent = 0; |
| } else if ((strncmp(governor, INTERACTIVE_GOVERNOR, strlen(INTERACTIVE_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(INTERACTIVE_GOVERNOR))) { |
| undo_hint_action(DISPLAY_STATE_HINT_ID); |
| display_hint_sent = 0; |
| } else if ((strncmp(governor, MSMDCVS_GOVERNOR, strlen(MSMDCVS_GOVERNOR)) == 0) && |
| (strlen(governor) == strlen(MSMDCVS_GOVERNOR))) { |
| if (saved_interactive_mode == -1 || saved_interactive_mode == 0) { |
| /* Display turned on. Restore if possible. */ |
| if (saved_dcvs_cpu0_slack_max != -1) { |
| snprintf(tmp_str, NODE_MAX, "%d", saved_dcvs_cpu0_slack_max); |
| |
| if (sysfs_write(DCVS_CPU0_SLACK_MAX_NODE, tmp_str) != 0) { |
| if (!slack_node_rw_failed) { |
| ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MAX_NODE); |
| } |
| |
| rc = 1; |
| } |
| } |
| |
| if (saved_dcvs_cpu0_slack_min != -1) { |
| snprintf(tmp_str, NODE_MAX, "%d", saved_dcvs_cpu0_slack_min); |
| |
| if (sysfs_write(DCVS_CPU0_SLACK_MIN_NODE, tmp_str) != 0) { |
| if (!slack_node_rw_failed) { |
| ALOGE("Failed to write to %s", DCVS_CPU0_SLACK_MIN_NODE); |
| } |
| |
| rc = 1; |
| } |
| } |
| |
| if (saved_mpdecision_slack_max != -1) { |
| snprintf(tmp_str, NODE_MAX, "%d", saved_mpdecision_slack_max); |
| |
| if (sysfs_write(MPDECISION_SLACK_MAX_NODE, tmp_str) != 0) { |
| if (!slack_node_rw_failed) { |
| ALOGE("Failed to write to %s", MPDECISION_SLACK_MAX_NODE); |
| } |
| |
| rc = 1; |
| } |
| } |
| |
| if (saved_mpdecision_slack_min != -1) { |
| snprintf(tmp_str, NODE_MAX, "%d", saved_mpdecision_slack_min); |
| |
| if (sysfs_write(MPDECISION_SLACK_MIN_NODE, tmp_str) != 0) { |
| if (!slack_node_rw_failed) { |
| ALOGE("Failed to write to %s", MPDECISION_SLACK_MIN_NODE); |
| } |
| |
| rc = 1; |
| } |
| } |
| } |
| |
| slack_node_rw_failed = rc; |
| } |
| } |
| |
| saved_interactive_mode = !!on; |
| } |
| |
| |
| static int extract_stats(uint64_t *list, char *file, const char**param_names, |
| unsigned int num_parameters, int isHex) { |
| FILE *fp; |
| ssize_t read; |
| size_t len; |
| size_t index = 0; |
| char *line; |
| int ret; |
| |
| fp = fopen(file, "r"); |
| if (fp == NULL) { |
| ret = -errno; |
| ALOGE("%s: failed to open: %s Error = %s", __func__, file, strerror(errno)); |
| return ret; |
| } |
| |
| for (line = NULL, len = 0; |
| ((read = getline(&line, &len, fp) != -1) && (index < num_parameters)); |
| free(line), line = NULL, len = 0) { |
| uint64_t value; |
| char* offset; |
| |
| size_t begin = strspn(line, " \t"); |
| if (strncmp(line + begin, param_names[index], strlen(param_names[index]))) { |
| continue; |
| } |
| |
| offset = memchr(line, ':', len); |
| if (!offset) { |
| continue; |
| } |
| |
| if (isHex) { |
| sscanf(offset, ":%" SCNx64, &value); |
| } else { |
| sscanf(offset, ":%" SCNu64, &value); |
| } |
| list[index] = value; |
| index++; |
| } |
| |
| free(line); |
| fclose(fp); |
| |
| return 0; |
| } |
| |
| |
| int extract_platform_stats(uint64_t *list) { |
| |
| int ret; |
| |
| //Data is located in two files |
| |
| ret = extract_stats(list, RPM_STAT, rpm_param_names, RPM_PARAM_COUNT, false); |
| if (ret) { |
| for (size_t i=0; i < RPM_PARAM_COUNT; i++) |
| list[i] = 0; |
| } |
| |
| ret = extract_stats(list + RPM_PARAM_COUNT, RPM_MASTER_STAT, |
| rpm_master_param_names, PLATFORM_PARAM_COUNT - RPM_PARAM_COUNT, true); |
| if (ret) { |
| for (size_t i=RPM_PARAM_COUNT; i < PLATFORM_PARAM_COUNT; i++) |
| list[i] = 0; |
| } |
| |
| return 0; |
| } |
| |
| int extract_wlan_stats(uint64_t *list) { |
| |
| int ret; |
| |
| ret = extract_stats(list, WLAN_POWER_STAT, wlan_param_names, WLAN_PARAM_COUNT, false); |
| if (ret) { |
| for (size_t i=0; i < WLAN_PARAM_COUNT; i++) |
| list[i] = 0; |
| } |
| |
| return 0; |
| } |