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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 01:47:29 +0000
commit0ebf5bdf043a27fd3dfb7f92e0cb63d88954c44d (patch)
treea31f07c9bcca9d56ce61e9a1ffd30ef350d513aa /build/build-clang/compiler-rt-rss-limit-heap-profile.patch
parentInitial commit. (diff)
downloadfirefox-esr-37a0381f8351b370577b65028ba1f6563ae23fdf.tar.xz
firefox-esr-37a0381f8351b370577b65028ba1f6563ae23fdf.zip
Adding upstream version 115.8.0esr.upstream/115.8.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'build/build-clang/compiler-rt-rss-limit-heap-profile.patch')
-rw-r--r--build/build-clang/compiler-rt-rss-limit-heap-profile.patch49
1 files changed, 49 insertions, 0 deletions
diff --git a/build/build-clang/compiler-rt-rss-limit-heap-profile.patch b/build/build-clang/compiler-rt-rss-limit-heap-profile.patch
new file mode 100644
index 0000000000..f7dfdfcdae
--- /dev/null
+++ b/build/build-clang/compiler-rt-rss-limit-heap-profile.patch
@@ -0,0 +1,49 @@
+diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cpp
+index 8fd398564280..b7c4820971bb 100644
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cpp
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_common_libcdep.cpp
+@@ -29,6 +29,7 @@ void *BackgroundThread(void *arg) {
+ const uptr hard_rss_limit_mb = common_flags()->hard_rss_limit_mb;
+ const uptr soft_rss_limit_mb = common_flags()->soft_rss_limit_mb;
+ const bool heap_profile = common_flags()->heap_profile;
++ const bool rss_limit_heap_profile = common_flags()->rss_limit_heap_profile;
+ uptr prev_reported_rss = 0;
+ uptr prev_reported_stack_depot_size = 0;
+ bool reached_soft_rss_limit = false;
+@@ -56,6 +57,10 @@ void *BackgroundThread(void *arg) {
+ Report("%s: hard rss limit exhausted (%zdMb vs %zdMb)\n",
+ SanitizerToolName, hard_rss_limit_mb, current_rss_mb);
+ DumpProcessMap();
++ if (rss_limit_heap_profile) {
++ Printf("\n\nHEAP PROFILE at RSS %zdMb\n", current_rss_mb);
++ __sanitizer_print_memory_profile(90, 20);
++ }
+ Die();
+ }
+ if (soft_rss_limit_mb) {
+@@ -63,6 +68,11 @@ void *BackgroundThread(void *arg) {
+ reached_soft_rss_limit = true;
+ Report("%s: soft rss limit exhausted (%zdMb vs %zdMb)\n",
+ SanitizerToolName, soft_rss_limit_mb, current_rss_mb);
++ if (rss_limit_heap_profile) {
++ Printf("\n\nHEAP PROFILE at RSS %zdMb\n", current_rss_mb);
++ __sanitizer_print_memory_profile(90, 20);
++ rss_during_last_reported_profile = current_rss_mb;
++ }
+ SetRssLimitExceeded(true);
+ } else if (soft_rss_limit_mb >= current_rss_mb &&
+ reached_soft_rss_limit) {
+diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_flags.inc b/compiler-rt/lib/sanitizer_common/sanitizer_flags.inc
+index 6148ae56067c..a0fbb8e14bd5 100644
+--- a/compiler-rt/lib/sanitizer_common/sanitizer_flags.inc
++++ b/compiler-rt/lib/sanitizer_common/sanitizer_flags.inc
+@@ -147,6 +147,9 @@ COMMON_FLAG(uptr, max_allocation_size_mb, 0,
+ "If non-zero, malloc/new calls larger than this size will return "
+ "nullptr (or crash if allocator_may_return_null=false).")
+ COMMON_FLAG(bool, heap_profile, false, "Experimental heap profiler, asan-only")
++COMMON_FLAG(bool, rss_limit_heap_profile, false,
++ "Experimental heap profiler (only when hard/soft rss limit "
++ "exceeded, asan-only")
+ COMMON_FLAG(s32, allocator_release_to_os_interval_ms,
+ ((bool)SANITIZER_FUCHSIA || (bool)SANITIZER_WINDOWS) ? -1 : 5000,
+ "Only affects a 64-bit allocator. If set, tries to release unused "