diff options
| author | Benny Baumann <BenBE@geshi.org> | 2020-11-26 19:59:00 +0100 |
|---|---|---|
| committer | BenBE <BenBE@geshi.org> | 2020-11-26 22:58:34 +0100 |
| commit | 2c27f1d9ab8bb8e4bb2f0242dc2b527f2d984355 (patch) | |
| tree | 328e14afb1794c2c4ea43492702dffe466d4d984 | |
| parent | 08d6e253011889264d095fdd72e57c2c4c83cfc6 (diff) | |
Randomly refresh M_LRS calculation, but latest after 2s
| -rw-r--r-- | linux/LinuxProcessList.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/linux/LinuxProcessList.c b/linux/LinuxProcessList.c index 3730c983..80c35699 100644 --- a/linux/LinuxProcessList.c +++ b/linux/LinuxProcessList.c @@ -623,7 +623,7 @@ static uint64_t LinuxProcessList_calcLibSize(const char* dirname, const char* na return total_size / CRT_pageSize; } -static bool LinuxProcessList_readStatmFile(LinuxProcess* process, const char* dirname, const char* name, bool performLookup) { +static bool LinuxProcessList_readStatmFile(LinuxProcess* process, const char* dirname, const char* name, bool performLookup, unsigned long long now) { char filename[MAX_NAME + 1]; xSnprintf(filename, sizeof(filename), "%s/%s/statm", dirname, name); FILE* statmfile = fopen(filename, "r"); @@ -646,13 +646,12 @@ static bool LinuxProcessList_readStatmFile(LinuxProcess* process, const char* di 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; + uint64_t passedTimeInMs = now - process->last_mlrs_calctime; - if(passedTimeInMs > 5000) { - process->last_mlrs_calctime = timeInMilliSeconds; + uint64_t recheck = ((uint64_t)rand()) % 2048; + + if(passedTimeInMs > 2000 || passedTimeInMs > recheck) { + process->last_mlrs_calctime = now; process->m_lrs = LinuxProcessList_calcLibSize(dirname, name); } } else { @@ -1358,7 +1357,7 @@ static bool LinuxProcessList_recurseProcTree(LinuxProcessList* this, const char* if (settings->flags & PROCESS_FLAG_IO) LinuxProcessList_readIoFile(lp, dirname, name, now); - if (!LinuxProcessList_readStatmFile(lp, dirname, name, !!(settings->flags & PROCESS_FLAG_LINUX_LRS_FIX))) + if (!LinuxProcessList_readStatmFile(lp, dirname, name, !!(settings->flags & PROCESS_FLAG_LINUX_LRS_FIX), now)) goto errorReadingProcess; if ((settings->flags & PROCESS_FLAG_LINUX_SMAPS) && !Process_isKernelThread(proc)) { |