[DO NOT MERGE] gs101:dumpstate: Dump long irq metrics, resume latency metrics at bugreport

At the bugreport, capture long irq metrics and resume latency metrics

Bug: 227809911
Bug: 232541623
Test: "adb bugreport" includes metrics capture.
Change-Id: Ic60cb29b4e58996e7db1dc8fa406b46840ccd446
Signed-off-by: Ziyi Cui <ziyic@google.com>

dumpstate/DumpstateDevice.cpp

@@ -270,6 +270,7 @@ DumpstateDevice::DumpstateDevice()
         { "camera", [this](int fd) { dumpCameraSection(fd); } },
         { "trusty", [this](int fd) { dumpTrustySection(fd); } },
         { "modem", [this](int fd) { dumpModemSection(fd); } },
+        { "perf-metrics", [this](int fd) { dumpPerfMetricsSection(fd); } },
     } {
 }
 
@@ -1192,6 +1193,11 @@ static void *dumpModemThread(void *data) {
     return NULL;
 }
 
+void DumpstateDevice::dumpPerfMetricsSection(int fd) {
+    DumpFileToFd(fd, "Long running IRQ metrics", "/sys/kernel/metrics/irq/long_irq_metrics");
+    DumpFileToFd(fd, "Resume latency metrics", "/sys/kernel/metrics/resume_latency/resume_latency_metrics");
+}
+
 // Methods from ::android::hardware::dumpstate::V1_0::IDumpstateDevice follow.
 Return<void> DumpstateDevice::dumpstateBoard(const hidl_handle &handle) {
 // Ignore return value, just return an empty status.

dumpstate/DumpstateDevice.h

@@ -79,6 +79,7 @@ struct DumpstateDevice : public IDumpstateDevice {
     void dumpCameraSection(int fd);
     void dumpTrustySection(int fd);
     void dumpModemSection(int fd);
+    void dumpPerfMetricsSection(int fd);
 };
 
 }  // namespace implementation