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kermel: Optimize timestamp retrieval logic by replacing startup time with actual time.

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ShirkNeko
2025-10-22 18:18:02 +08:00
parent b8e463b532
commit ad3cd241f8
1 changed files with 12 additions and 16 deletions
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18
kernel/sulog.c
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@@ -33,23 +33,19 @@ static struct workqueue_struct *sulog_workqueue;
static struct work_struct sulog_work; static struct work_struct sulog_work;
static bool sulog_enabled = true; static bool sulog_enabled = true;
extern struct timezone sys_tz;
static void get_timestamp(char *buf, size_t len) static void get_timestamp(char *buf, size_t len)
{ {
struct timespec64 ts, boottime; struct timespec64 ts;
struct tm tm; struct tm tm;
s64 real_time;
ktime_get_boottime_ts64(&boottime); ktime_get_real_ts64(&ts);
ktime_get_ts64(&ts);
real_time = boottime.tv_sec; time64_to_tm(ts.tv_sec - sys_tz.tz_minuteswest * 60, 0, &tm);
if (real_time < 946684800) {
real_time = ts.tv_sec;
}
time64_to_tm(real_time, 0, &tm); snprintf(buf, len,
"%04ld-%02d-%02d %02d:%02d:%02d",
snprintf(buf, len, "%04ld-%02d-%02d %02d:%02d:%02d",
tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday, tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
tm.tm_hour, tm.tm_min, tm.tm_sec); tm.tm_hour, tm.tm_min, tm.tm_sec);
} }