141 lines
3.8 KiB
Diff
141 lines
3.8 KiB
Diff
From ff07e664cb475fa74b4f6531d8e709a5dd9b55dd Mon Sep 17 00:00:00 2001
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From: renoseven <dev@renoseven.net>
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Date: Fri, 19 Apr 2024 14:19:27 +0800
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Subject: [PATCH 13/20] upatch-manage: change the way to calculate frozen time
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Signed-off-by: renoseven <dev@renoseven.net>
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---
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upatch-manage/upatch-patch.c | 58 +++++++++++++++++++-----------------
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1 file changed, 31 insertions(+), 27 deletions(-)
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diff --git a/upatch-manage/upatch-patch.c b/upatch-manage/upatch-patch.c
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index 5a8f927..ab972ac 100644
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--- a/upatch-manage/upatch-patch.c
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+++ b/upatch-manage/upatch-patch.c
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@@ -679,6 +679,31 @@ out:
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return ret;
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}
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+static void upatch_time_tick(int pid) {
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+ static struct timeval start_tv;
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+ static struct timeval end_tv;
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+
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+ if ((end_tv.tv_sec != 0) || (end_tv.tv_usec != 0)) {
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+ memset(&start_tv, 0, sizeof(struct timeval));
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+ memset(&end_tv, 0, sizeof(struct timeval));
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+ }
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+
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+ if ((start_tv.tv_sec == 0) && (start_tv.tv_usec == 0)) {
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+ gettimeofday(&start_tv, NULL);
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+ } else {
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+ gettimeofday(&end_tv, NULL);
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+ }
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+
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+ if ((start_tv.tv_sec == 0) || (start_tv.tv_usec == 0) ||
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+ (end_tv.tv_sec == 0) || (end_tv.tv_usec == 0)) {
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+ return;
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+ }
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+
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+ unsigned long frozen_time = GET_MICROSECONDS(end_tv, start_tv);
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+ log_normal("Process %d frozen time is %ld microsecond(s)\n",
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+ pid, frozen_time);
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+}
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+
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int upatch_process_uuid_exist(struct upatch_process *proc, const char *uuid)
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{
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struct object_file *obj;
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@@ -698,14 +723,10 @@ int upatch_process_uuid_exist(struct upatch_process *proc, const char *uuid)
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int process_patch(int pid, struct upatch_elf *uelf, struct running_elf *relf, const char *uuid, const char *binary_path)
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{
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- int ret;
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- bool is_calc_time = false;
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- struct timeval start_tv, end_tv;
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- unsigned long frozen_time;
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struct upatch_process proc;
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// 查看process的信息，pid: maps, mem, cmdline, exe
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- ret = upatch_process_init(&proc, pid);
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+ int ret = upatch_process_init(&proc, pid);
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if (ret < 0) {
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log_error("Failed to init process\n");
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goto out;
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@@ -748,9 +769,7 @@ int process_patch(int pid, struct upatch_elf *uelf, struct running_elf *relf, co
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}
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uelf->relf = relf;
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-
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- is_calc_time = true;
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- gettimeofday(&start_tv, NULL);
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+ upatch_time_tick(pid);
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/* Finally, attach to process */
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ret = upatch_process_attach(&proc);
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@@ -769,16 +788,11 @@ int process_patch(int pid, struct upatch_elf *uelf, struct running_elf *relf, co
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out_free:
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upatch_process_detach(&proc);
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- gettimeofday(&end_tv, NULL);
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+ upatch_time_tick(pid);
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upatch_process_destroy(&proc);
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out:
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- if (is_calc_time) {
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- frozen_time = GET_MICROSECONDS(end_tv, start_tv);
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- log_normal("Process %d frozen time is %ld microsecond(s)\n",
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- pid, frozen_time);
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- }
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return ret;
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}
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@@ -827,16 +841,12 @@ out:
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int process_unpatch(int pid, const char *uuid)
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{
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- int ret;
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- bool is_calc_time = false;
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- struct timeval start_tv, end_tv;
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- unsigned long frozen_time;
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struct upatch_process proc;
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// TODO: check build id
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// TODO: 栈解析
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// 查看process的信息，pid: maps, mem, cmdline, exe
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- ret = upatch_process_init(&proc, pid);
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+ int ret = upatch_process_init(&proc, pid);
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if (ret < 0) {
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log_error("Failed to init process\n");
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goto out;
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@@ -867,8 +877,7 @@ int process_unpatch(int pid, const char *uuid)
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goto out_free;
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}
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- is_calc_time = true;
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- gettimeofday(&start_tv, NULL);
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+ upatch_time_tick(pid);
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/* Finally, attach to process */
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ret = upatch_process_attach(&proc);
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@@ -886,16 +895,11 @@ int process_unpatch(int pid, const char *uuid)
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out_free:
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upatch_process_detach(&proc);
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- gettimeofday(&end_tv, NULL);
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+ upatch_time_tick(pid);
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upatch_process_destroy(&proc);
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out:
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- if (is_calc_time) {
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- frozen_time = GET_MICROSECONDS(end_tv, start_tv);
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- log_normal("Process %d frozen time is %ld microsecond(s)\n",
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- pid, frozen_time);
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- }
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return ret;
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}
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--
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2.34.1
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