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Merge branch 'misaligned-struct-access' of BenBE/htop 

Closes #263
This commit is contained in:
Daniel Lange 2020-10-18 19:43:59 +02:00
parent 8534dcb87c 81543253cf
commit 8c93f31809
1 changed files with 12 additions and 11 deletions
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23
linux/LinuxProcessList.c
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@ -766,7 +766,7 @@ static int handleNetlinkMsg(struct nl_msg *nlmsg, void *linuxProcess) {
struct nlmsghdr *nlhdr;
struct nlattr *nlattrs[TASKSTATS_TYPE_MAX + 1];
struct nlattr *nlattr;
struct taskstats *stats;
struct taskstats stats;
int rem;
unsigned long long int timeDelta;
LinuxProcess* lp = (LinuxProcess*) linuxProcess;
@ -778,20 +778,21 @@ static int handleNetlinkMsg(struct nl_msg *nlmsg, void *linuxProcess) {
}
if ((nlattr = nlattrs[TASKSTATS_TYPE_AGGR_PID]) || (nlattr = nlattrs[TASKSTATS_TYPE_NULL])) {
stats = nla_data(nla_next(nla_data(nlattr), &rem));
assert(lp->super.pid == (pid_t)stats->ac_pid);
timeDelta = (stats->ac_etime*1000 - lp->delay_read_time);
memcpy(&stats, nla_data(nla_next(nla_data(nlattr), &rem)), sizeof(stats));
assert(lp->super.pid == (pid_t)stats.ac_pid);
timeDelta = (stats.ac_etime*1000 - lp->delay_read_time);
#define BOUNDS(x) isnan(x) ? 0.0 : (x > 100) ? 100.0 : x;
#define DELTAPERC(x,y) BOUNDS((float) (x - y) / timeDelta * 100);
lp->cpu_delay_percent = DELTAPERC(stats->cpu_delay_total, lp->cpu_delay_total);
lp->blkio_delay_percent = DELTAPERC(stats->blkio_delay_total, lp->blkio_delay_total);
lp->swapin_delay_percent = DELTAPERC(stats->swapin_delay_total, lp->swapin_delay_total);
lp->cpu_delay_percent = DELTAPERC(stats.cpu_delay_total, lp->cpu_delay_total);
lp->blkio_delay_percent = DELTAPERC(stats.blkio_delay_total, lp->blkio_delay_total);
lp->swapin_delay_percent = DELTAPERC(stats.swapin_delay_total, lp->swapin_delay_total);
#undef DELTAPERC
#undef BOUNDS
lp->swapin_delay_total = stats->swapin_delay_total;
lp->blkio_delay_total = stats->blkio_delay_total;
lp->cpu_delay_total = stats->cpu_delay_total;
lp->delay_read_time = stats->ac_etime*1000;
lp->swapin_delay_total = stats.swapin_delay_total;
lp->blkio_delay_total = stats.blkio_delay_total;
lp->cpu_delay_total = stats.cpu_delay_total;
lp->delay_read_time = stats.ac_etime*1000;
}
return NL_OK;
}