Fix: test_benchmark: do not match "CPU(s) scaling MHz:"

[lttng-ust.git] / hello / hello.c

diff --git a/hello/hello.c b/hello/hello.c
deleted file mode 100644 (file)
index 2e74505..0000000
--- a/hello/hello.c
+++ /dev/null
@@ -1,211 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/mman.h>
-#include <stdarg.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-
-#include "../libmarkers/marker.h"
-#include "usterr.h"
-#include "tracer.h"
-#include "marker-control.h"
-#include "relay.h"
-
-
-char consumer_stack[10000];
-char trace_name[] = "theusttrace";
-char trace_type[] = "ustrelay";
-
-#define CPRINTF(fmt, args...) safe_printf(fmt "\n", ## args)
-
-int safe_printf(const char *fmt, ...)
-{
-       static char buf[500];
-       va_list ap;
-       int n;
-
-       va_start(ap, fmt);
-
-       n = vsnprintf(buf, sizeof(buf), fmt, ap);
-
-       write(STDOUT_FILENO, buf, n);
-
-       va_end(ap);
-}
-
-int consumer(void *arg)
-{
-       int result;
-
-       int fd;
-
-       char str[] = "Hello, this is the consumer.\n";
-
-       struct ltt_trace_struct *trace;
-
-       ltt_lock_traces();
-       trace = _ltt_trace_find(trace_name);
-       ltt_unlock_traces();
-
-       if(trace == NULL) {
-               CPRINTF("cannot find trace!");
-               return 1;
-       }
-
-       CPRINTF("consumer: got a trace: %s with %d channels\n", trace_name, trace->nr_channels);
-
-       struct ltt_channel_struct *chan = &trace->channels[0];
-
-       CPRINTF("channel 1 (%s) active=%u", chan->channel_name, chan->active & 1);
-
-       struct rchan *rchan = chan->trans_channel_data;
-       struct rchan_buf *rbuf = rchan->buf;
-       struct ltt_channel_buf_struct *lttbuf = chan->buf;
-       long consumed_old;
-
-       result = fd = open("trace.out", O_WRONLY | O_CREAT | O_TRUNC, 00644);
-       if(result == -1) {
-               perror("open");
-               return -1;
-       }
-
-       for(;;) {
-               write(STDOUT_FILENO, str, sizeof(str));
-
-               result = ltt_do_get_subbuf(rbuf, lttbuf, &consumed_old);
-               if(result < 0) {
-                       CPRINTF("ltt_do_get_subbuf: error: %s", strerror(-result));
-               }
-               else {
-                       CPRINTF("success!");
-
-                       result = write(fd, rbuf->buf_data + (consumed_old & (2 * 4096-1)), 4096);
-                       ltt_do_put_subbuf(rbuf, lttbuf, consumed_old);
-               }
-
-               //CPRINTF("There seems to be %ld bytes available", SUBBUF_TRUNC(local_read(&lttbuf->offset), rbuf->chan) - consumed_old);
-               CPRINTF("Commit count %ld", local_read(&lttbuf->commit_count[0]));
-
-
-               sleep(1);
-       }
-}
-
-void start_consumer(void)
-{
-       int result;
-
-       result = clone(consumer, consumer_stack+sizeof(consumer_stack)-1, CLONE_FS | CLONE_FILES | CLONE_VM, NULL);
-       if(result == -1) {
-               perror("clone");
-       }
-}
-
-void probe(const struct marker *mdata,
-               void *probe_private, void *call_private,
-               const char *fmt, va_list *args)
-{
-       printf("In probe\n");
-}
-
-void inthandler(int sig)
-{
-       printf("in handler\n");
-       exit(0);
-}
-
-int init_int_handler(void)
-{
-       int result;
-       struct sigaction act;
-
-       result = sigemptyset(&act.sa_mask);
-       if(result == -1) {
-               PERROR("sigemptyset");
-               return -1;
-       }
-
-       act.sa_handler = inthandler;
-       act.sa_flags = SA_RESTART;
-
-       /* Only defer ourselves. Also, try to restart interrupted
-        * syscalls to disturb the traced program as little as possible.
-        */
-       result = sigaction(SIGINT, &act, NULL);
-       if(result == -1) {
-               PERROR("sigaction");
-               return -1;
-       }
-
-       return 0;
-}
-
-int main()
-{
-       int result;
-
-       init_int_handler();
-
-       init_ustrelay_transport();
-
-       printf("page size is %d\n", sysconf(_SC_PAGE_SIZE));
-
-       marker_control_init();
-
-       //marker_probe_register("abc", "testmark", "", probe, NULL);
-//ust//        marker_probe_register("metadata", "core_marker_id", "channel %s name %s event_id %hu int #1u%zu long #1u%zu pointer #1u%zu size_t #1u%zu alignment #1u%u", probe, NULL);
-//ust//        result = ltt_probe_register(&default_probe);
-//ust//        if(result)
-//ust//                ERR("ltt_probe_register");
-       
-       //result = ltt_marker_connect("metadata", "testev", "default");
-       //if(result)
-       //      ERR("ltt_marker_connect");
-
-
-       result = ltt_trace_setup(trace_name);
-       if(result < 0) {
-               ERR("ltt_trace_setup failed");
-               return 1;
-       }
-
-       result = ltt_trace_set_type(trace_name, trace_type);
-       if(result < 0) {
-               ERR("ltt_trace_set_type failed");
-               return 1;
-       }
-
-       result = ltt_trace_alloc(trace_name);
-       if(result < 0) {
-               ERR("ltt_trace_alloc failed");
-               return 1;
-       }
-
-       result = ltt_trace_start(trace_name);
-       if(result < 0) {
-               ERR("ltt_trace_start failed");
-               return 1;
-       }
-
-       start_consumer();
-       printf("Hello, World!\n");
-
-       sleep(1);
-       for(;;) {
-               //trace_mark(abc, testmark, "", MARK_NOARGS);
-               //trace_mark(metadata, testev, "", MARK_NOARGS);
-               trace_mark(metadata, core_marker_id,
-                          "channel %s name %s event_id %hu "
-                          "int #1u%zu long #1u%zu pointer #1u%zu "
-                          "size_t #1u%zu alignment #1u%u",
-                          "abc", "def", (unsigned short)1000,
-                          sizeof(int), sizeof(long), sizeof(void *),
-                          sizeof(size_t), ltt_get_alignment());
-               usleep(100000);
-       }
-
-       scanf("%*s");
-
-       return 0;
-}