Changeset: adb64a6b4385 for MonetDB
URL: https://dev.monetdb.org/hg/MonetDB/rev/adb64a6b4385
Modified Files:
gdk/gdk_utils.c
Branch: default
Log Message:
Print some info directly from the kernel on SIGUSR1.
diffs (34 lines):
diff --git a/gdk/gdk_utils.c b/gdk/gdk_utils.c
--- a/gdk/gdk_utils.c
+++ b/gdk/gdk_utils.c
@@ -2218,7 +2218,29 @@ GDKprintinfo(void)
{
size_t allocated = (size_t) ATOMIC_GET(&GDK_mallocedbytes_estimate);
size_t vmallocated = (size_t) ATOMIC_GET(&GDK_vm_cursize);
- printf("Virtual memory allocated: %zu, of which %zu with malloc (limit:
%zu)\n", vmallocated + allocated, allocated, GDK_vm_maxsize);
+
+ printf("Virtual memory allocated: %zu, of which %zu with malloc (limit:
%zu)\n",
+ vmallocated + allocated, allocated, GDK_vm_maxsize);
+#ifdef __linux__
+ int fd = open("/proc/self/statm", O_RDONLY | O_CLOEXEC);
+ if (fd >= 0) {
+ char buf[512];
+ ssize_t s = read(fd, buf, sizeof(buf) - 1);
+ close(fd);
+ if (s > 0) {
+ assert((size_t) s < sizeof(buf));
+ size_t size, resident, shared;
+ buf[s] = 0;
+ if (sscanf(buf, "%zu %zu %zu", &size, &resident,
&shared) == 3) {
+ size *= MT_pagesize();
+ resident *= MT_pagesize();
+ shared *= MT_pagesize();
+ printf("Virtual size: %zu, anonymous RSS: %zu,
shared RSS: %zu (together: %zu)\n",
+ size, resident - shared, shared,
resident);
+ }
+ }
+ }
+#endif
BBPprintinfo();
#ifdef LOCK_STATS
GDKlockstatistics(3);
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