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authorLibravatar Jeff Hostetler <jeffhost@microsoft.com>2019-04-15 13:39:48 -0700
committerLibravatar Junio C Hamano <gitster@pobox.com>2019-04-16 13:37:07 +0900
commit26c6f251d754a33c188ce7ad8f5ea6cb0bc740d7 (patch)
treef61f6d37e895311970bec2daec7bc7ab329a666f /compat/win32
parenttrace2: use system/global config for default trace2 settings (diff)
downloadtgif-26c6f251d754a33c188ce7ad8f5ea6cb0bc740d7.tar.xz
trace2: report peak memory usage of the process
Teach Windows version of git to report peak memory usage during exit() processing. Signed-off-by: Jeff Hostetler <jeffhost@microsoft.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'compat/win32')
-rw-r--r--compat/win32/trace2_win32_process_info.c50
1 files changed, 47 insertions, 3 deletions
diff --git a/compat/win32/trace2_win32_process_info.c b/compat/win32/trace2_win32_process_info.c
index 52bd62034b..8ccbd1c2c6 100644
--- a/compat/win32/trace2_win32_process_info.c
+++ b/compat/win32/trace2_win32_process_info.c
@@ -1,5 +1,6 @@
#include "../../cache.h"
#include "../../json-writer.h"
+#include "lazyload.h"
#include <Psapi.h>
#include <tlHelp32.h>
@@ -137,11 +138,54 @@ static void get_is_being_debugged(void)
"windows/debugger_present", 1);
}
-void trace2_collect_process_info(void)
+/*
+ * Emit JSON data with the peak memory usage of the current process.
+ */
+static void get_peak_memory_info(void)
+{
+ DECLARE_PROC_ADDR(psapi.dll, BOOL, GetProcessMemoryInfo, HANDLE,
+ PPROCESS_MEMORY_COUNTERS, DWORD);
+
+ if (INIT_PROC_ADDR(GetProcessMemoryInfo)) {
+ PROCESS_MEMORY_COUNTERS pmc;
+
+ if (GetProcessMemoryInfo(GetCurrentProcess(), &pmc,
+ sizeof(pmc))) {
+ struct json_writer jw = JSON_WRITER_INIT;
+
+ jw_object_begin(&jw, 0);
+
+#define KV(kv) #kv, (intmax_t)pmc.kv
+
+ jw_object_intmax(&jw, KV(PageFaultCount));
+ jw_object_intmax(&jw, KV(PeakWorkingSetSize));
+ jw_object_intmax(&jw, KV(PeakPagefileUsage));
+
+ jw_end(&jw);
+
+ trace2_data_json("process", the_repository,
+ "windows/memory", &jw);
+ jw_release(&jw);
+ }
+ }
+}
+
+void trace2_collect_process_info(enum trace2_process_info_reason reason)
{
if (!trace2_is_enabled())
return;
- get_is_being_debugged();
- get_ancestry();
+ switch (reason) {
+ case TRACE2_PROCESS_INFO_STARTUP:
+ get_is_being_debugged();
+ get_ancestry();
+ return;
+
+ case TRACE2_PROCESS_INFO_EXIT:
+ get_peak_memory_info();
+ return;
+
+ default:
+ BUG("trace2_collect_process_info: unknown reason '%d'", reason);
+ }
}