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-rw-r--r--memory/jemalloc/src/test/unit/prof_gdump.c81
1 files changed, 81 insertions, 0 deletions
diff --git a/memory/jemalloc/src/test/unit/prof_gdump.c b/memory/jemalloc/src/test/unit/prof_gdump.c
new file mode 100644
index 000000000..a0e6ee921
--- /dev/null
+++ b/memory/jemalloc/src/test/unit/prof_gdump.c
@@ -0,0 +1,81 @@
+#include "test/jemalloc_test.h"
+
+#ifdef JEMALLOC_PROF
+const char *malloc_conf = "prof:true,prof_active:false,prof_gdump:true";
+#endif
+
+static bool did_prof_dump_open;
+
+static int
+prof_dump_open_intercept(bool propagate_err, const char *filename)
+{
+ int fd;
+
+ did_prof_dump_open = true;
+
+ fd = open("/dev/null", O_WRONLY);
+ assert_d_ne(fd, -1, "Unexpected open() failure");
+
+ return (fd);
+}
+
+TEST_BEGIN(test_gdump)
+{
+ bool active, gdump, gdump_old;
+ void *p, *q, *r, *s;
+ size_t sz;
+
+ test_skip_if(!config_prof);
+
+ active = true;
+ assert_d_eq(mallctl("prof.active", NULL, NULL, &active, sizeof(active)),
+ 0, "Unexpected mallctl failure while activating profiling");
+
+ prof_dump_open = prof_dump_open_intercept;
+
+ did_prof_dump_open = false;
+ p = mallocx(chunksize, 0);
+ assert_ptr_not_null(p, "Unexpected mallocx() failure");
+ assert_true(did_prof_dump_open, "Expected a profile dump");
+
+ did_prof_dump_open = false;
+ q = mallocx(chunksize, 0);
+ assert_ptr_not_null(q, "Unexpected mallocx() failure");
+ assert_true(did_prof_dump_open, "Expected a profile dump");
+
+ gdump = false;
+ sz = sizeof(gdump_old);
+ assert_d_eq(mallctl("prof.gdump", &gdump_old, &sz, &gdump,
+ sizeof(gdump)), 0,
+ "Unexpected mallctl failure while disabling prof.gdump");
+ assert(gdump_old);
+ did_prof_dump_open = false;
+ r = mallocx(chunksize, 0);
+ assert_ptr_not_null(q, "Unexpected mallocx() failure");
+ assert_false(did_prof_dump_open, "Unexpected profile dump");
+
+ gdump = true;
+ sz = sizeof(gdump_old);
+ assert_d_eq(mallctl("prof.gdump", &gdump_old, &sz, &gdump,
+ sizeof(gdump)), 0,
+ "Unexpected mallctl failure while enabling prof.gdump");
+ assert(!gdump_old);
+ did_prof_dump_open = false;
+ s = mallocx(chunksize, 0);
+ assert_ptr_not_null(q, "Unexpected mallocx() failure");
+ assert_true(did_prof_dump_open, "Expected a profile dump");
+
+ dallocx(p, 0);
+ dallocx(q, 0);
+ dallocx(r, 0);
+ dallocx(s, 0);
+}
+TEST_END
+
+int
+main(void)
+{
+
+ return (test(
+ test_gdump));
+}