diff options
| author | Benny Baumann <BenBE@geshi.org> | 2020-11-16 19:12:41 +0100 |
|---|---|---|
| committer | BenBE <BenBE@geshi.org> | 2020-11-26 22:58:34 +0100 |
| commit | 721d9112d9b44815a920302bf903cb2039f1ea37 (patch) | |
| tree | 1f9d59021719b040e03428f69abbe29e69609729 | |
| parent | 7f18b352b0fc010efe5278ce32e01ed715ddd7ee (diff) | |
Only calculate M_LRS size every 5 seconds
| -rw-r--r-- | linux/LinuxProcess.h | 1 | ||||
| -rw-r--r-- | linux/LinuxProcessList.c | 24 |
2 files changed, 22 insertions, 3 deletions
diff --git a/linux/LinuxProcess.h b/linux/LinuxProcess.h index 68c01ea5..e665502c 100644 --- a/linux/LinuxProcess.h +++ b/linux/LinuxProcess.h @@ -180,6 +180,7 @@ typedef struct LinuxProcess_ { unsigned long ctxt_total; unsigned long ctxt_diff; char* secattr; + unsigned long long int last_mlrs_calctime; } LinuxProcess; #define Process_isKernelThread(_process) (((const LinuxProcess*)(_process))->isKernelThread) diff --git a/linux/LinuxProcessList.c b/linux/LinuxProcessList.c index 6962527c..0f745c7b 100644 --- a/linux/LinuxProcessList.c +++ b/linux/LinuxProcessList.c @@ -555,18 +555,36 @@ static bool LinuxProcessList_readStatmFile(LinuxProcess* process, const char* di if (!statmfile) return false; + long tmp_m_lrs = 0; int r = fscanf(statmfile, "%ld %ld %ld %ld %ld %ld %ld", &process->super.m_virt, &process->super.m_resident, &process->m_share, &process->m_trs, - &process->m_lrs, + &tmp_m_lrs, &process->m_drs, &process->m_dt); fclose(statmfile); - if (r == 7 && !process->m_lrs && performLookup) { - process->m_lrs = LinuxProcessList_calcLibSize(dirname, name); + + if (r == 7) { + if (tmp_m_lrs) { + process->m_lrs = tmp_m_lrs; + } else if (performLookup) { + // Check if we really should recalculate the M_LRS value for this process + struct timeval tv; + gettimeofday(&tv, NULL); + uint64_t timeInMilliSeconds = (uint64_t)tv.tv_sec * 1000ULL + (uint64_t)tv.tv_usec / 1000ULL; + uint64_t passedTimeInMs = timeInMilliSeconds - process->last_mlrs_calctime; + + if(passedTimeInMs > 5000) { + process->last_mlrs_calctime = timeInMilliSeconds; + process->m_lrs = LinuxProcessList_calcLibSize(dirname, name); + } + } else { + // Keep previous value + } } + return r == 7; } |