diff --git a/linux/LinuxProcessList.c b/linux/LinuxProcessList.c index 57fab842..bbb064d1 100644 --- a/linux/LinuxProcessList.c +++ b/linux/LinuxProcessList.c @@ -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; }