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linux-user: Implement starttime field in self stat emulation

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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>
This commit is contained in:
Cameron Esfahani 2022-01-27 16:12:51 -08:00 • committed by Laurent Vivier
parent ebce1719ac
commit eb33cdaeda
3 changed files with 20 additions and 0 deletions
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14
linux-user/main.c
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@ -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)