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-rw-r--r--main.c98
1 files changed, 98 insertions, 0 deletions
diff --git a/main.c b/main.c
new file mode 100644
index 0000000..12bb541
--- /dev/null
+++ b/main.c
@@ -0,0 +1,98 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <sys/wait.h>
+
+void print_stats(struct timespec tv0)
+{
+ FILE *f;
+ char buf[256];
+ struct timespec tv;
+ int maj, min, in_heap=0;
+ unsigned long l;
+ size_t vm_size=0, vm_rss=0, vm_priv_dirty=0;
+
+ clock_gettime(CLOCK_REALTIME, &tv);
+ tv.tv_sec -= tv0.tv_sec;
+ if ((tv.tv_nsec -= tv0.tv_nsec) < 0) {
+ tv.tv_nsec += 1000000000;
+ tv.tv_sec--;
+ }
+
+ f = fopen("/proc/self/smaps", "rb");
+ if (f) while (fgets(buf, sizeof buf, f)) {
+ if (sscanf(buf, "%*lx-%*lx %*s %*lx %x:%x %*lu %*s", &maj, &min)==2)
+ in_heap = (!maj && !min && !strstr(buf, "---p") && (strstr(buf, "[heap]") || !strchr(buf, '[')));
+ if (in_heap) {
+ if (sscanf(buf, "Size: %lu", &l)==1) vm_size += l;
+ else if (sscanf(buf, "Rss: %lu", &l)==1) vm_rss += l;
+ else if (sscanf(buf, "Private_Dirty: %lu", &l)==1) vm_priv_dirty += l;
+ }
+ }
+ if (f) fclose(f);
+ printf(" time: %ld.%.9ld, virt: %zu, res: %zu, dirty: %zu\n\n",
+ (long)tv.tv_sec, (long)tv.tv_nsec,
+ vm_size, vm_rss, vm_priv_dirty);
+}
+
+int run_bench(const char *label, size_t (*bench)(void *), void *params)
+{
+ struct timespec tv0;
+ pid_t p = fork();
+ if (p) {
+ int status;
+ wait(&status);
+ return status;
+ }
+
+ puts(label);
+ clock_gettime(CLOCK_REALTIME, &tv0);
+ bench(params);
+ print_stats(tv0);
+ exit(0);
+}
+
+#define RUN(a, b) \
+ extern size_t (a)(void *); \
+ run_bench(#a " (" #b ")", (a), (b))
+
+int main()
+{
+ RUN(b_malloc_sparse, 0);
+ RUN(b_malloc_bubble, 0);
+ RUN(b_malloc_tiny1, 0);
+ RUN(b_malloc_tiny2, 0);
+ RUN(b_malloc_big1, 0);
+ RUN(b_malloc_big2, 0);
+ RUN(b_malloc_thread_stress, 0);
+ RUN(b_malloc_thread_local, 0);
+
+ RUN(b_string_strstr, "abcdefghijklmnopqrstuvwxyz");
+ RUN(b_string_strstr, "azbycxdwevfugthsirjqkplomn");
+ RUN(b_string_strstr, "aaaaaaaaaaaaaacccccccccccc");
+ RUN(b_string_strstr, "aaaaaaaaaaaaaaaaaaaaaaaaac");
+ RUN(b_string_strstr, "aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaac");
+ RUN(b_string_memset, 0);
+ RUN(b_string_strchr, 0);
+ RUN(b_string_strlen, 0);
+
+ RUN(b_pthread_createjoin_serial1, 0);
+ RUN(b_pthread_createjoin_serial2, 0);
+ RUN(b_pthread_create_serial1, 0);
+ RUN(b_pthread_uselesslock, 0);
+ RUN(b_pthread_createjoin_minimal1, 0);
+ RUN(b_pthread_createjoin_minimal2, 0);
+
+ RUN(b_utf8_bigbuf, 0);
+ RUN(b_utf8_onebyone, 0);
+
+ RUN(b_stdio_putcgetc, 0);
+ RUN(b_stdio_putcgetc_unlocked, 0);
+
+ RUN(b_regex_compile, "(a|b|c)*d*b");
+ RUN(b_regex_search, "(a|b|c)*d*b");
+ RUN(b_regex_search, "a{25}b");
+}
+