diff options
Diffstat (limited to 'schulung_tools/pgflt/main.c')
| -rw-r--r-- | schulung_tools/pgflt/main.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/schulung_tools/pgflt/main.c b/schulung_tools/pgflt/main.c new file mode 100644 index 0000000..a68baf4 --- /dev/null +++ b/schulung_tools/pgflt/main.c @@ -0,0 +1,60 @@ +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +extern void timestamp(const char *msg, int val); +extern void testfunc_malloc(void); +extern void testfunc_deepstack(void); +extern void setup_rt(unsigned int opts); + +static void usage(const char *cmd) +{ + printf("usage: %s [opts-bitmask]\n", cmd); + printf(" opts-bits:\n"); + printf(" 0x01 = mallopt\n"); + printf(" 0x02 = mlockall\n"); + printf(" 0x04 = prefault-stack\n"); + printf(" 0x08 = prefault-heap\n"); + printf(" 0x10 = run tests\n"); + printf("\n"); + printf(" 0x10 = no rt tweaks + tests\n"); + printf(" 0x1f = full rt tweaks + tests\n"); + printf("\n"); +} + +int main(int argc, char *argv[]) +{ + unsigned int i; + + if (argc != 2) { + usage(argv[0]); + return 1; + } + + if (sscanf(argv[1], "%x", &i) != 1) { + usage(argv[0]); + return 1; + } + + printf("options: 0x%x\n", i); + + timestamp("init", -1); + + setup_rt(i); + + timestamp("main setup", -1); + + if (i & 0x10) { + for (i = 0; i < 4; i++) { + testfunc_malloc(); + timestamp("testfunc_malloc", i); + } + + for (i = 0; i < 4; i++) { + testfunc_deepstack(); + timestamp("testfunc_deepstack", i); + } + } + + return 0; +} |
