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Request the realtime and monotonic clock times once per sample

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Refactor the sample time code to make one call to gettimeofday
(aka the realtime clock in clock_gettime, when available) and
one to the monotonic clock.  Stores each in more appropriately
named ProcessList fields for ready access when needed.  Every
platform gets the opportunity to provide their own clock code,
and the existing Mac OS X specific code is moved below darwin
instead of in Compat.

A couple of leftover time(2) calls are converted to use these
ProcessList fields as well, instead of yet again sampling the
system clock.

Related to https://github.com/htop-dev/htop/pull/574
This commit is contained in:
Nathan Scott
2021-03-30 15:55:48 +11:00
committed by Sohaib
parent 421bdeec60
commit 356488aa53
25 changed files with 210 additions and 82 deletions
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4
DiskIOMeter.c
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@ -34,7 +34,7 @@ static void DiskIOMeter_updateValues(Meter* this) {
const ProcessList* pl = this->pl;
static uint64_t cached_last_update;
uint64_t passedTimeInMs = pl->timestampMs - cached_last_update;
uint64_t passedTimeInMs = pl->realtimeMs - cached_last_update;
/* update only every 500ms */
if (passedTimeInMs > 500) {
@ -43,7 +43,7 @@ static void DiskIOMeter_updateValues(Meter* this) {
static uint64_t cached_msTimeSpend_total;
uint64_t diff;
cached_last_update = pl->timestampMs;
cached_last_update = pl->realtimeMs;
DiskIOData data;