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| author | android-build-prod (mdb) <android-build-team-robot@google.com> | 2019-07-09 23:09:17 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2019-07-09 23:09:17 +0000 |
| commit | 285f61dffd0d2e85402176febacc1686349891a5 (patch) | |
| tree | a2201a5d1182123270bd6891a6e25fe3e9b68bae | |
| parent | 73090f8e72821559d1574f4d6c2a9f696c41620e (diff) | |
| parent | 9b6d49f14949eb30d9a9b5e776354f9ec99cc17e (diff) | |
| download | extras-285f61dffd0d2e85402176febacc1686349891a5.tar.gz | |
Merge "Snap for 5714901 from 233d0cacbaae51d3e30e0a75545819a4bdf56194 to pie-vts-release" into pie-vts-releaseandroid-vts-9.0_r11android-vts-9.0_r10
| -rw-r--r-- | simpleperf/environment.h | 6 | ||||
| -rw-r--r-- | simpleperf/perf_clock.cpp | 4 |
2 files changed, 10 insertions, 0 deletions
diff --git a/simpleperf/environment.h b/simpleperf/environment.h index 7f8683de..8886e470 100644 --- a/simpleperf/environment.h +++ b/simpleperf/environment.h @@ -23,6 +23,7 @@ #if defined(__linux__) #include <sys/syscall.h> #include <unistd.h> +#include <sys/prctl.h> #endif #include <functional> @@ -35,6 +36,11 @@ #include "build_id.h" #include "perf_regs.h" +#if defined(__ANDROID__) + #define PR_SET_VMA 0x53564d41 + #define PR_SET_VMA_ANON_NAME 0 +#endif + std::vector<int> GetOnlineCpus(); std::vector<int> GetCpusFromString(const std::string& s); diff --git a/simpleperf/perf_clock.cpp b/simpleperf/perf_clock.cpp index 127470e7..127fd21d 100644 --- a/simpleperf/perf_clock.cpp +++ b/simpleperf/perf_clock.cpp @@ -70,6 +70,10 @@ static void ThreadA(ThreadArg* thread_arg) { } array[i].end_system_time_in_ns = GetSystemClock(); + +#if defined(__ANDROID__) + prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, array[i].mmap_start_addr, 4096, "anony_map_region"); +#endif } size_t best_index = 0; uint64_t min_duration_in_ns = UINT64_MAX; |