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vm stats logging for linux

This commit is contained in:
Arvid Norberg 2011-07-03 20:07:20 +00:00
parent de3ea9214a
commit 0068f48646
1 changed files with 20 additions and 1 deletions
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21
src/session_impl.cpp
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@ -3073,8 +3073,27 @@ namespace aux {
kern_return_t error = host_statistics(host_port, HOST_VM_INFO,
(host_info_t)vm_stat, &host_count);
#elif defined TORRENT_LINUX
// TODO: read straight from /proc/meminfo ?
char buffer[4096];
char string[1024];
boost::uint32_t value;
FILE* f = fopen("/proc/vmstat");
int ret = 0;
while ((ret = fscanf(f, "%s %u\n", string, &value)) != EOF)
{
if (ret != 2) continue;
if (strcmp(string, "nr_active_anon") == 0) vm_stat->active_count += value;
else if (strcmp(string, "nr_active_file") == 0) vm_stat->active_count += value;
else if (strcmp(string, "nr_inactive_anon") == 0) vm_stat->inactive_count += value;
else if (strcmp(string, "nr_inactive_file") == 0) vm_stat->inactive_count += value;
else if (strcmp(string, "nr_free_pages") == 0) vm_stat->free_count = value;
else if (strcmp(string, "nr_unevictable") == 0) vm_stat->wire_count = value;
else if (strcmp(string, "pswpin") == 0) vm_stat->pageins = value;
else if (strcmp(string, "pswpout") == 0) vm_stat->pageouts = value;
else if (strcmp(string, "pgfault") == 0) vm_stat->faults = value;
}
fclose(f);
#endif
// TOOD: windows?
}