Add Clocks::get_debug().

2 files changed, 60 insertions, 1 deletions

diff --git a/tdutils/td/utils/port/Clocks.cpp b/tdutils/td/utils/port/Clocks.cpp
index 775ec5f89..6f86e1161 100644
--- a/tdutils/td/utils/port/Clocks.cpp
+++ b/tdutils/td/utils/port/Clocks.cpp
@@ -6,7 +6,9 @@
 //
 #include "td/utils/port/Clocks.h"
 
-#include "td/utils/port/platform.h"
+#include "td/utils/port/config.h"
+#include "td/utils/Slice.h"
+#include "td/utils/SliceBuilder.h"
 
 #include <chrono>
 #include <ctime>
@@ -57,6 +59,59 @@ double Clocks::system() {
   return static_cast<double>(std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count()) * 1e-9;
 }
 
+string Clocks::get_debug() {
+  string result;
+#if TD_PORT_POSIX
+  auto add_clock = [&](Slice clock_name, clockid_t clock_id) {
+    struct timespec spec;
+    if (clock_gettime(clock_id, &spec) == 0) {
+      result += PSTRING() << '[' << clock_name << " = "
+                          << static_cast<double>(spec.tv_nsec) * 1e-9 + static_cast<double>(spec.tv_sec) << ']';
+    } else {
+      result += PSTRING() << '[' << clock_name << " failed]";
+    }
+  };
+
+#ifdef CLOCK_REALTIME
+  add_clock("REALTIME", CLOCK_REALTIME);
+#endif
+#ifdef CLOCK_REALTIME_COARSE
+  add_clock("REALTIME_COARSE", CLOCK_REALTIME_COARSE);
+#endif
+#ifdef CLOCK_TAI
+  add_clock("TAI", CLOCK_TAI);
+#endif
+#ifdef CLOCK_MONOTONIC
+  add_clock("MONOTONIC", CLOCK_MONOTONIC);
+#endif
+#ifdef CLOCK_MONOTONIC_COARSE
+  add_clock("MONOTONIC_COARSE", CLOCK_MONOTONIC_COARSE);
+#endif
+#ifdef CLOCK_MONOTONIC_RAW
+  add_clock("MONOTONIC_RAW", CLOCK_MONOTONIC_RAW);
+#endif
+#ifdef CLOCK_BOOTTIME
+  add_clock("BOOTTIME", CLOCK_BOOTTIME);
+#endif
+#ifdef CLOCK_BOOTTIME_ALARM
+  add_clock("BOOTTIME_ALARM", CLOCK_BOOTTIME_ALARM);
+#endif
+#ifdef CLOCK_PROCESS_CPUTIME_ID
+  add_clock("PROCESS_CPUTIME_ID", CLOCK_PROCESS_CPUTIME_ID);
+#endif
+#ifdef CLOCK_THREAD_CPUTIME_ID
+  add_clock("THREAD_CPUTIME_ID", CLOCK_THREAD_CPUTIME_ID);
+#endif
+#endif
+
+  auto duration = std::chrono::steady_clock::now().time_since_epoch();
+  result +=
+      PSTRING() << "[chrono::steady = "
+                << static_cast<double>(std::chrono::duration_cast<std::chrono::nanoseconds>(duration).count()) * 1e-9
+                << ']';
+  return result;
+}
+
 int Clocks::tz_offset() {
   // not thread-safe on POSIX, so calculate the offset only once
   static int offset = [] {
diff --git a/tdutils/td/utils/port/Clocks.h b/tdutils/td/utils/port/Clocks.h
index 67de1d542..b349fb860 100644
--- a/tdutils/td/utils/port/Clocks.h
+++ b/tdutils/td/utils/port/Clocks.h
@@ -6,6 +6,8 @@
 //
 #pragma once
 
+#include "td/utils/common.h"
+
 namespace td {
 
 struct Clocks {
@@ -13,6 +15,8 @@ struct Clocks {
 
   static double system();
 
+  static string get_debug();
+
   static int tz_offset();
 };