diff options
Diffstat (limited to 'pixelstats/SysfsCollector.cpp')
| -rw-r--r-- | pixelstats/SysfsCollector.cpp | 130 |
1 files changed, 129 insertions, 1 deletions
diff --git a/pixelstats/SysfsCollector.cpp b/pixelstats/SysfsCollector.cpp index 3223f64..698644f 100644 --- a/pixelstats/SysfsCollector.cpp +++ b/pixelstats/SysfsCollector.cpp @@ -55,6 +55,7 @@ using android::hardware::google::pixel::PixelAtoms::ThermalDfsStats; using android::hardware::google::pixel::PixelAtoms::VendorAudioHardwareStatsReported; using android::hardware::google::pixel::PixelAtoms::VendorChargeCycles; using android::hardware::google::pixel::PixelAtoms::VendorHardwareFailed; +using android::hardware::google::pixel::PixelAtoms::VendorLongIRQStatsReported; using android::hardware::google::pixel::PixelAtoms::VendorSlowIo; using android::hardware::google::pixel::PixelAtoms::VendorSpeakerImpedance; using android::hardware::google::pixel::PixelAtoms::VendorSpeakerStatsReported; @@ -91,7 +92,8 @@ SysfsCollector::SysfsCollector(const struct SysfsPaths &sysfs_paths) kAmsRatePath(sysfs_paths.AmsRatePath), kThermalStatsPaths(sysfs_paths.ThermalStatsPaths), kCCARatePath(sysfs_paths.CCARatePath), - kTempResidencyPath(sysfs_paths.TempResidencyPath) {} + kTempResidencyPath(sysfs_paths.TempResidencyPath), + kLongIRQMetricsPath(sysfs_paths.LongIRQMetricsPath) {} bool SysfsCollector::ReadFileToInt(const std::string &path, int *val) { return ReadFileToInt(path.c_str(), val); @@ -1050,6 +1052,131 @@ void SysfsCollector::logVendorAudioHardwareStats(const std::shared_ptr<IStats> & ALOGE("Unable to report VendorAudioHardwareStatsReported to Stats service"); } +bool cmp(const std::pair<int, int64_t> &a, const std::pair<int, int64_t> &b) { + return a.second > b.second; +} + +/** + * Sort irq stats by irq latency, and load top 5 irq stats. + */ +void process_irqatom_values(std::vector<std::pair<int, int64_t>> sorted_pair, + std::vector<VendorAtomValue> *values) { + VendorAtomValue tmp; + sort(sorted_pair.begin(), sorted_pair.end(), cmp); + int irq_stats_size = sorted_pair.size(); + for (int i = 0; i < 5; i++) { + if (irq_stats_size < 5 && i >= irq_stats_size) { + tmp.set<VendorAtomValue::longValue>(-1); + values->push_back(tmp); + tmp.set<VendorAtomValue::longValue>(0); + values->push_back(tmp); + } else { + tmp.set<VendorAtomValue::longValue>(sorted_pair[i].first); + values->push_back(tmp); + tmp.set<VendorAtomValue::longValue>(sorted_pair[i].second); + values->push_back(tmp); + } + } +} + +/** + * Logs the Long irq stats. + */ +void SysfsCollector::logVendorLongIRQStatsReported(const std::shared_ptr<IStats> &stats_client) { + std::string file_contents; + if (!kLongIRQMetricsPath) { + ALOGV("LongIRQ path not specified"); + return; + } + if (!ReadFileToString(kLongIRQMetricsPath, &file_contents)) { + ALOGE("Unable to LongIRQ %s - %s", kLongIRQMetricsPath, strerror(errno)); + return; + } + int offset = 0; + int bytes_read; + const char *data = file_contents.c_str(); + int data_len = file_contents.length(); + // Get, process, store softirq stats + std::vector<std::pair<int, int64_t>> sorted_softirq_pair; + int64_t softirq_count; + if (sscanf(data + offset, "long SOFTIRQ count: %ld\n%n", &softirq_count, &bytes_read) != 1) + return; + offset += bytes_read; + if (offset >= data_len) + return; + std::vector<VendorAtomValue> values; + VendorAtomValue tmp; + if (softirq_count - prev_data.softirq_count < 0) { + tmp.set<VendorAtomValue::intValue>(-1); + ALOGI("long softirq count get overflow"); + } else { + tmp.set<VendorAtomValue::longValue>(softirq_count - prev_data.softirq_count); + } + values.push_back(tmp); + + if (sscanf(data + offset, "long SOFTIRQ detail (num, latency):\n%n", &bytes_read) != 0) + return; + offset += bytes_read; + if (offset >= data_len) + return; + + // Iterate over softirq stats and record top 5 long softirq + int64_t softirq_latency; + int softirq_num; + while (sscanf(data + offset, "%d %ld\n%n", &softirq_num, &softirq_latency, &bytes_read) == 2) { + sorted_softirq_pair.push_back(std::make_pair(softirq_num, softirq_latency)); + offset += bytes_read; + if (offset >= data_len) + return; + } + process_irqatom_values(sorted_softirq_pair, &values); + + // Get, process, store irq stats + std::vector<std::pair<int, int64_t>> sorted_irq_pair; + int64_t irq_count; + if (sscanf(data + offset, "long IRQ count: %ld\n%n", &irq_count, &bytes_read) != 1) + return; + offset += bytes_read; + if (offset >= data_len) + return; + if (irq_count - prev_data.irq_count < 0) { + tmp.set<VendorAtomValue::intValue>(-1); + ALOGI("long irq count get overflow"); + } else { + tmp.set<VendorAtomValue::longValue>(irq_count - prev_data.irq_count); + } + values.push_back(tmp); + + if (sscanf(data + offset, "long IRQ detail (num, latency):\n%n", &bytes_read) != 0) + return; + offset += bytes_read; + if (offset >= data_len) + return; + + int64_t irq_latency; + int irq_num; + int index = 0; + // Iterate over softirq stats and record top 5 long irq + while (sscanf(data + offset, "%d %ld\n%n", &irq_num, &irq_latency, &bytes_read) == 2) { + sorted_irq_pair.push_back(std::make_pair(irq_num, irq_latency)); + offset += bytes_read; + if (offset >= data_len && index < 5) + return; + index += 1; + } + process_irqatom_values(sorted_irq_pair, &values); + + prev_data.softirq_count = softirq_count; + prev_data.irq_count = irq_count; + // Send vendor atom to IStats HAL + VendorAtom event = {.reverseDomainName = "", + .atomId = PixelAtoms::Atom::kVendorLongIrqStatsReported, + .values = std::move(values)}; + const ndk::ScopedAStatus ret = stats_client->reportVendorAtom(event); + if (!ret.isOk()) + ALOGE("Unable to report kVendorLongIRQStatsReported to Stats service"); +} + void SysfsCollector::logPerDay() { const std::shared_ptr<IStats> stats_client = getStatsService(); if (!stats_client) { @@ -1082,6 +1209,7 @@ void SysfsCollector::logPerDay() { logVendorAudioHardwareStats(stats_client); logThermalStats(stats_client); logTempResidencyStats(stats_client); + logVendorLongIRQStatsReported(stats_client); } void SysfsCollector::aggregatePer5Min() { |