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authorMoonchild <moonchild@palemoon.org>2019-11-02 14:37:22 +0100
committerGitHub <noreply@github.com>2019-11-02 14:37:22 +0100
commit21b3f6247403c06f85e1f45d219f87549862198f (patch)
tree0038ae92f1cc7aaff0b55d6e5ac59efcc28bdf8f /xpcom/base/nsMemoryReporterManager.cpp
parentff881bdb6795e0f307b93919f98f454bedde4bb6 (diff)
parenta9dc528a4a7b0aaad5308aff70963485ec3e9bec (diff)
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Merge pull request #1262 from athenian200/solaris-work
Support Modern Solaris
Diffstat (limited to 'xpcom/base/nsMemoryReporterManager.cpp')
-rw-r--r--xpcom/base/nsMemoryReporterManager.cpp83
1 files changed, 83 insertions, 0 deletions
diff --git a/xpcom/base/nsMemoryReporterManager.cpp b/xpcom/base/nsMemoryReporterManager.cpp
index 88964f9b5..dcbad171e 100644
--- a/xpcom/base/nsMemoryReporterManager.cpp
+++ b/xpcom/base/nsMemoryReporterManager.cpp
@@ -317,6 +317,85 @@ VsizeMaxContiguousDistinguishedAmount(int64_t* aN)
}
#endif // FreeBSD
+#elif defined(XP_SOLARIS)
+
+#include <procfs.h>
+#include <fcntl.h>
+#include <unistd.h>
+
+static void
+XMappingIter(int64_t& aVsize, int64_t& aResident)
+{
+ aVsize = -1;
+ aResident = -1;
+ int mapfd = open("/proc/self/xmap", O_RDONLY);
+ struct stat st;
+ prxmap_t* prmapp = nullptr;
+ if (mapfd >= 0) {
+ if (!fstat(mapfd, &st)) {
+ int nmap = st.st_size / sizeof(prxmap_t);
+ while (1) {
+ // stat(2) on /proc/<pid>/xmap returns an incorrect value,
+ // prior to the release of Solaris 11.
+ // Here is a workaround for it.
+ nmap *= 2;
+ prmapp = (prxmap_t*)malloc((nmap + 1) * sizeof(prxmap_t));
+ if (!prmapp) {
+ // out of memory
+ break;
+ }
+ int n = pread(mapfd, prmapp, (nmap + 1) * sizeof(prxmap_t), 0);
+ if (n < 0) {
+ break;
+ }
+ if (nmap >= n / sizeof(prxmap_t)) {
+ aVsize = 0;
+ aResident = 0;
+ for (int i = 0; i < n / sizeof(prxmap_t); i++) {
+ aVsize += prmapp[i].pr_size;
+ aResident += prmapp[i].pr_rss * prmapp[i].pr_pagesize;
+ }
+ break;
+ }
+ free(prmapp);
+ }
+ free(prmapp);
+ }
+ close(mapfd);
+ }
+}
+
+#define HAVE_VSIZE_AND_RESIDENT_REPORTERS 1
+static MOZ_MUST_USE nsresult
+VsizeDistinguishedAmount(int64_t* aN)
+{
+ int64_t vsize, resident;
+ XMappingIter(vsize, resident);
+ if (vsize == -1) {
+ return NS_ERROR_FAILURE;
+ }
+ *aN = vsize;
+ return NS_OK;
+}
+
+static MOZ_MUST_USE nsresult
+ResidentDistinguishedAmount(int64_t* aN)
+{
+ int64_t vsize, resident;
+ XMappingIter(vsize, resident);
+ if (resident == -1) {
+ return NS_ERROR_FAILURE;
+ }
+ *aN = resident;
+ return NS_OK;
+}
+
+static MOZ_MUST_USE nsresult
+ResidentFastDistinguishedAmount(int64_t* aN)
+{
+ return ResidentDistinguishedAmount(aN);
+}
+
#elif defined(XP_MACOSX)
#include <mach/mach_init.h>
@@ -1066,9 +1145,13 @@ ResidentPeakDistinguishedAmount(int64_t* aN)
if (0 == getrusage(RUSAGE_SELF, &usage)) {
// The units for ru_maxrrs:
// - Mac: bytes
+ // - Solaris: pages? But some sources it actually always returns 0, so
+ // check for that
// - Linux, {Net/Open/Free}BSD, DragonFly: KiB
#ifdef XP_MACOSX
*aN = usage.ru_maxrss;
+#elif defined(XP_SOLARIS)
+ *aN = usage.ru_maxrss * getpagesize();
#else
*aN = usage.ru_maxrss * 1024;
#endif