Revert "[MemProf] Defer profile file setup until dump time"

This reverts commit ea1826ee57.

This change is breaking the ability of tests to override the profile
output file. Need to add a mechanism to do that before resubmitting.
This commit is contained in:
Teresa Johnson 2022-11-28 06:29:24 -08:00
parent d9e51e7552
commit 311801a017
4 changed files with 10 additions and 21 deletions

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@ -26,7 +26,6 @@
#include "sanitizer_common/sanitizer_errno.h"
#include "sanitizer_common/sanitizer_file.h"
#include "sanitizer_common/sanitizer_flags.h"
#include "sanitizer_common/sanitizer_interface_internal.h"
#include "sanitizer_common/sanitizer_internal_defs.h"
#include "sanitizer_common/sanitizer_procmaps.h"
#include "sanitizer_common/sanitizer_stackdepot.h"
@ -34,9 +33,6 @@
#include <sched.h>
#include <time.h>
// Allow the user to specify a profile output file via the binary.
SANITIZER_WEAK_ATTRIBUTE char __memprof_profile_filename[1];
namespace __memprof {
namespace {
using ::llvm::memprof::MemInfoBlock;
@ -282,12 +278,6 @@ struct Allocator {
}
void FinishAndWrite() {
// Use profile name specified via the binary itself if it exists, and hasn't
// been overrriden by a flag at runtime.
if (__memprof_profile_filename[0] != 0 && !common_flags()->log_path)
__sanitizer_set_report_path(__memprof_profile_filename);
else
__sanitizer_set_report_path(common_flags()->log_path);
if (print_text && common_flags()->print_module_map)
DumpProcessMap();
@ -312,11 +302,6 @@ struct Allocator {
}
allocator.ForceUnlock();
// Set the report back to the default stderr now that we have dumped the
// profile, in case there are later errors or stats dumping on exit has been
// enabled.
__sanitizer_set_report_path("stderr");
}
// Inserts any blocks which have been allocated but not yet deallocated.

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@ -29,6 +29,9 @@
uptr __memprof_shadow_memory_dynamic_address; // Global interface symbol.
// Allow the user to specify a profile output file via the binary.
SANITIZER_WEAK_ATTRIBUTE char __memprof_profile_filename[1];
namespace __memprof {
static void MemprofDie() {
@ -166,6 +169,13 @@ static void MemprofInitInternal() {
AddDieCallback(MemprofDie);
SetCheckUnwindCallback(CheckUnwind);
// Use profile name specified via the binary itself if it exists, and hasn't
// been overrriden by a flag at runtime.
if (__memprof_profile_filename[0] != 0 && !common_flags()->log_path)
__sanitizer_set_report_path(__memprof_profile_filename);
else
__sanitizer_set_report_path(common_flags()->log_path);
__sanitizer::InitializePlatformEarly();
// Setup internal allocator callback.

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@ -2,9 +2,6 @@
// RUN: %clangxx_memprof -O0 %s -o %t
// RUN: %env_memprof_opts=print_text=true:log_path=stderr:atexit=1 %run %t 2>&1 | FileCheck %s
// Stats should be dumped to stderr even if the profile log path set to a file.
// RUN: rm -f %t.log.*
// RUN: %env_memprof_opts=print_text=true:log_path=%t.log:atexit=1 %run %t 2>&1 | FileCheck %s
// RUN: %env_memprof_opts=print_text=true:log_path=stderr:atexit=0 %run %t 2>&1 | FileCheck %s --check-prefix=NOATEXIT
// CHECK: MemProfiler exit stats:

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@ -1,8 +1,5 @@
// RUN: %clangxx_memprof -O0 %s -o %t
// RUN: %env_memprof_opts=print_text=true:log_path=stderr:allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SUMMARY
// Errors should be printed to stderr even if the log_path set to a file.
// RUN: rm -f %t.log.*
// RUN: %env_memprof_opts=print_text=true:log_path=%t.log:allocator_may_return_null=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-SUMMARY
// RUN: %env_memprof_opts=print_text=true:log_path=stderr:allocator_may_return_null=1 %run %t 2>&1 | FileCheck %s --check-prefix=CHECK-NULL
// Test print_summary
// RUN: %env_memprof_opts=print_text=true:log_path=stderr:allocator_may_return_null=0:print_summary=0 not %run %t 2>&1 | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NOSUMMARY