simpleperf: add --raw-period option for report cmd.

Bug: http://b/35475170
Test: run simpleperf_unit_test.
Change-Id: Ib5bae0b775ac2a3e647b7724df01ce0b8deb1a38

3 files changed, 31 insertions, 5 deletions

diff --git a/simpleperf/SampleDisplayer.h b/simpleperf/SampleDisplayer.h
index 7904ef85..4317582a 100644
--- a/simpleperf/SampleDisplayer.h
+++ b/simpleperf/SampleDisplayer.h
@@ -36,6 +36,11 @@ std::string DisplayAccumulatedOverhead(const EntryT* sample,
   return android::base::StringPrintf("%.2f%%", percentage);
 }
 
+template <typename EntryT>
+std::string DisplayAccumulatedPeriod(const EntryT* sample) {
+  return android::base::StringPrintf("%" PRIu64, sample->period + sample->accumulated_period);
+}
+
 template <typename EntryT, typename InfoT>
 std::string DisplaySelfOverhead(const EntryT* sample, const InfoT* info) {
   uint64_t period = sample->period;
@@ -56,6 +61,7 @@ std::string DisplaySelfOverhead(const EntryT* sample, const InfoT* info) {
     return android::base::StringPrintf("0x%" PRIx64, sample->display_part); \
   }
 
+BUILD_DISPLAY_UINT64_FUNCTION(DisplaySelfPeriod, period);
 BUILD_DISPLAY_UINT64_FUNCTION(DisplaySampleCount, sample_count);
 
 template <typename EntryT>
diff --git a/simpleperf/cmd_report.cpp b/simpleperf/cmd_report.cpp
index 3b727a5e..883b983b 100644
--- a/simpleperf/cmd_report.cpp
+++ b/simpleperf/cmd_report.cpp
@@ -291,6 +291,7 @@ class ReportCommand : public Command {
 "-o report_file_name   Set report file name, default is stdout.\n"
 "--percent-limit <percent>  Set min percentage shown when printing call graph.\n"
 "--pids pid1,pid2,...  Report only for selected pids.\n"
+"--raw-period          Report period count instead of period percentage.\n"
 "--sort key1,key2,...  Select keys used to sort and print the report. The\n"
 "                      appearance order of keys decides the order of keys used\n"
 "                      to sort and print the report.\n"
@@ -324,7 +325,8 @@ class ReportCommand : public Command {
         print_callgraph_(false),
         callgraph_show_callee_(false),
         callgraph_max_stack_(UINT32_MAX),
-        callgraph_percent_limit_(0) {}
+        callgraph_percent_limit_(0),
+        raw_period_(false) {}
 
   bool Run(const std::vector<std::string>& args);
 
@@ -355,6 +357,7 @@ class ReportCommand : public Command {
   bool callgraph_show_callee_;
   uint32_t callgraph_max_stack_;
   double callgraph_percent_limit_;
+  bool raw_period_;
 
   std::string report_filename_;
 };
@@ -491,7 +494,8 @@ bool ReportCommand::ParseOptions(const std::vector<std::string>& args) {
         }
         filter.insert(id);
       }
-
+    } else if (args[i] == "--raw-period") {
+      raw_period_ = true;
     } else if (args[i] == "--sort") {
       if (!NextArgumentOrError(args, &i)) {
         return false;
@@ -536,10 +540,19 @@ bool ReportCommand::ParseOptions(const std::vector<std::string>& args) {
   SampleComparator<SampleEntry> comparator;
 
   if (accumulate_callchain_) {
-    displayer.AddDisplayFunction("Children", DisplayAccumulatedOverhead);
-    displayer.AddDisplayFunction("Self", DisplaySelfOverhead);
+    if (raw_period_) {
+      displayer.AddDisplayFunction("Children", DisplayAccumulatedPeriod);
+      displayer.AddDisplayFunction("Self", DisplaySelfPeriod);
+    } else {
+      displayer.AddDisplayFunction("Children", DisplayAccumulatedOverhead);
+      displayer.AddDisplayFunction("Self", DisplaySelfOverhead);
+    }
   } else {
-    displayer.AddDisplayFunction("Overhead", DisplaySelfOverhead);
+    if (raw_period_) {
+      displayer.AddDisplayFunction("Overhead", DisplaySelfPeriod);
+    } else {
+      displayer.AddDisplayFunction("Overhead", DisplaySelfOverhead);
+    }
   }
   if (print_sample_count) {
     displayer.AddDisplayFunction("Sample", DisplaySampleCount);
diff --git a/simpleperf/cmd_report_test.cpp b/simpleperf/cmd_report_test.cpp
index 9a5c23bd..7dcee4f4 100644
--- a/simpleperf/cmd_report_test.cpp
+++ b/simpleperf/cmd_report_test.cpp
@@ -454,6 +454,13 @@ TEST_F(ReportCommandTest, invalid_perf_data) {
   ASSERT_FALSE(ReportCmd()->Run({"-i", GetTestData(INVALID_PERF_DATA)}));
 }
 
+TEST_F(ReportCommandTest, raw_period_option) {
+  Report(PERF_DATA, {"--raw-period"});
+  ASSERT_TRUE(success);
+  ASSERT_NE(content.find("GlobalFunc"), std::string::npos);
+  ASSERT_EQ(content.find("%"), std::string::npos);
+}
+
 #if defined(__linux__)
 #include "event_selection_set.h"