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authorCameron Esfahani <dirty@apple.com>2022-01-27 16:12:51 -0800
committerLaurent Vivier <laurent@vivier.eu>2022-01-28 11:08:54 +0100
commiteb33cdaeda55d951f915152ad23816d47aca9955 (patch)
tree80047456f49e6a26144043469bde7df9163217b8 /linux-user/main.c
parentebce1719ac0a2a71b64742ecf1c9ec2497a65a55 (diff)
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linux-user: Implement starttime field in self stat emulation
Instead of always returning 0, return actual starttime. Signed-off-by: Cameron Esfahani <dirty@apple.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu> Message-Id: <20220128001251.45165-1-dirty@apple.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user/main.c')
-rw-r--r--linux-user/main.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/linux-user/main.c b/linux-user/main.c
index 16def52..fbc9bcf 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -190,12 +190,26 @@ void stop_all_tasks(void)
/* Assumes contents are already zeroed. */
void init_task_state(TaskState *ts)
{
+ long ticks_per_sec;
+ struct timespec bt;
+
ts->used = 1;
ts->sigaltstack_used = (struct target_sigaltstack) {
.ss_sp = 0,
.ss_size = 0,
.ss_flags = TARGET_SS_DISABLE,
};
+
+ /* Capture task start time relative to system boot */
+
+ ticks_per_sec = sysconf(_SC_CLK_TCK);
+
+ if ((ticks_per_sec > 0) && !clock_gettime(CLOCK_BOOTTIME, &bt)) {
+ /* start_boottime is expressed in clock ticks */
+ ts->start_boottime = bt.tv_sec * (uint64_t) ticks_per_sec;
+ ts->start_boottime += bt.tv_nsec * (uint64_t) ticks_per_sec /
+ NANOSECONDS_PER_SECOND;
+ }
}
CPUArchState *cpu_copy(CPUArchState *env)