diff options
| -rw-r--r-- | indra/llwindow/llwindowsdl.cpp | 78 |
1 files changed, 77 insertions, 1 deletions
diff --git a/indra/llwindow/llwindowsdl.cpp b/indra/llwindow/llwindowsdl.cpp index 7cd06c9c37..1266a94287 100644 --- a/indra/llwindow/llwindowsdl.cpp +++ b/indra/llwindow/llwindowsdl.cpp @@ -1597,12 +1597,82 @@ U32 LLWindowSDL::SDLCheckGrabbyKeys(SDLKey keysym, BOOL gain) return mGrabbyKeyFlags; } + +void check_vm_bloat() +{ +#if LL_LINUX + // watch our own VM and RSS sizes, warn if we bloated rapidly + FILE *fp = fopen("/proc/self/stat", "r"); + if (fp) + { + static long long last_vm_size = 0; + static long long last_rss_size = 0; + const long long significant_vm_difference = 250 * 1024*1024; + const long long significant_rss_difference = 50 * 1024*1024; + + size_t dummy; + char *ptr; + for (int i=0; i<22; ++i) // parse past the values we don't want + { + ptr = NULL; + getdelim(&ptr, &dummy, ' ', fp); + free(ptr); + } + // 23rd space-delimited entry is vsize + ptr = NULL; + getdelim(&ptr, &dummy, ' ', fp); + llassert(ptr); + long long this_vm_size = atoll(ptr); + free(ptr); + // 24th space-delimited entry is RSS + ptr = NULL; + getdelim(&ptr, &dummy, ' ', fp); + llassert(ptr); + long long this_rss_size = getpagesize() * atoll(ptr); + free(ptr); + + llinfos << "VM SIZE IS NOW " << (this_vm_size/(1024*1024)) << " MB, RSS SIZE IS NOW " << (this_rss_size/(1024*1024)) << " MB" << llendl; + + if (llabs(last_vm_size - this_vm_size) > + significant_vm_difference) + { + if (this_vm_size > last_vm_size) + { + llwarns << "VM size grew by " << (this_vm_size - last_vm_size)/(1024*1024) << " MB in last frame" << llendl; + } + else + { + llinfos << "VM size shrank by " << (last_vm_size - this_vm_size)/(1024*1024) << " MB in last frame" << llendl; + } + } + + if (llabs(last_rss_size - this_rss_size) > + significant_rss_difference) + { + if (this_rss_size > last_rss_size) + { + llwarns << "RSS size grew by " << (this_rss_size - last_rss_size)/(1024*1024) << " MB in last frame" << llendl; + } + else + { + llinfos << "RSS size shrank by " << (last_rss_size - this_rss_size)/(1024*1024) << " MB in last frame" << llendl; + } + } + + last_rss_size = this_rss_size; + last_vm_size = this_vm_size; + + fclose(fp); + } +#endif // LL_LINUX +} + + // virtual void LLWindowSDL::processMiscNativeEvents() { #if LL_GTK // Pump GTK events to avoid starvation for: - // * Embedded Gecko // * DBUS servicing // * Anything else which quietly hooks into the default glib/GTK loop if (ll_try_gtk_init()) @@ -1628,6 +1698,12 @@ void LLWindowSDL::processMiscNativeEvents() setlocale(LC_ALL, saved_locale.c_str() ); } #endif // LL_GTK + + // hack - doesn't belong here - but this is just for debugging + if (getenv("LL_DEBUG_BLOAT")) + { + check_vm_bloat(); + } } void LLWindowSDL::gatherInput() |