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 1a00d45..0000000
--- a/hello/hello.c
+++ /dev/null
@@ -1,204 +0,0 @@
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/mman.h>
-
-#include "../libmarkers/marker.h"
-#include "usterr.h"
-#include "tracer.h"
-
-void probe(const struct marker *mdata,
-               void *probe_private, void *call_private,
-               const char *fmt, va_list *args)
-{
-       printf("In probe\n");
-}
-
-//ust// void try_map()
-//ust// {
-//ust//        char *m;
-//ust// 
-//ust//        /* maybe add MAP_LOCKED */
-//ust//        m = mmap(NULL, 4096, PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_POPULATE , -1, 0);
-//ust//        if(m == (char*)-1) {
-//ust//                perror("mmap");
-//ust//                return;
-//ust//        }
-//ust// 
-//ust//        printf("The mapping is at %p.\n", m);
-//ust//        strcpy(m, "Hello, Mapping!");
-//ust// }
-
-//sig_atomic_t must_quit;
-
-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;
-}
-
-DEFINE_MUTEX(probes_mutex);
-
-static LIST_HEAD(probes_registered_list);
-
-int ltt_marker_connect(const char *channel, const char *mname,
-                      const char *pname)
-
-{
-       int ret;
-       struct ltt_active_marker *pdata;
-       struct ltt_available_probe *probe;
-
-       ltt_lock_traces();
-       mutex_lock(&probes_mutex);
-       probe = get_probe_from_name(pname);
-       if (!probe) {
-               ret = -ENOENT;
-               goto end;
-       }
-       pdata = marker_get_private_data(channel, mname, probe->probe_func, 0);
-       if (pdata && !IS_ERR(pdata)) {
-               ret = -EEXIST;
-               goto end;
-       }
-       pdata = kmem_cache_zalloc(markers_loaded_cachep, GFP_KERNEL);
-       if (!pdata) {
-               ret = -ENOMEM;
-               goto end;
-       }
-       pdata->probe = probe;
-       /*
-        * ID has priority over channel in case of conflict.
-        */
-       ret = marker_probe_register(channel, mname, NULL,
-               probe->probe_func, pdata);
-       if (ret)
-               kmem_cache_free(markers_loaded_cachep, pdata);
-       else
-               list_add(&pdata->node, &markers_loaded_list);
-end:
-       mutex_unlock(&probes_mutex);
-       ltt_unlock_traces();
-       return ret;
-}
-
-
-int ltt_probe_register(struct ltt_available_probe *pdata)
-{
-       int ret = 0;
-       int comparison;
-       struct ltt_available_probe *iter;
-
-       mutex_lock(&probes_mutex);
-       list_for_each_entry_reverse(iter, &probes_registered_list, node) {
-               comparison = strcmp(pdata->name, iter->name);
-               if (!comparison) {
-                       ret = -EBUSY;
-                       goto end;
-               } else if (comparison > 0) {
-                       /* We belong to the location right after iter. */
-                       list_add(&pdata->node, &iter->node);
-                       goto end;
-               }
-       }
-       /* Should be added at the head of the list */
-       list_add(&pdata->node, &probes_registered_list);
-end:
-       mutex_unlock(&probes_mutex);
-       return ret;
-}
-
-
-struct ltt_available_probe default_probe = {
-       .name = "default",
-       .format = NULL,
-       .probe_func = ltt_vtrace,
-       .callbacks[0] = ltt_serialize_data,
-};
-
-int main()
-{
-       int result;
-
-       init_int_handler();
-
-       init_ustrelay_transport();
-
-       printf("page size is %d\n", sysconf(_SC_PAGE_SIZE));
-
-       char trace_name[] = "theusttrace";
-       char trace_type[] = "ustrelay";
-
-       marker_probe_register("abc", "testmark", "", probe, NULL);
-       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);
-       result = ltt_probe_register(&default_probe);
-       if(result)
-               ERR("ltt_probe_register");
-       
-       result = ltt_marker_connect("abc", "testmark2", "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;
-       }
-
-
-       printf("Hello, World!\n");
-
-       for(;;) {
-               trace_mark(abc, testmark, "", MARK_NOARGS);
-               trace_mark(abc, testmark2, "", MARK_NOARGS);
-               sleep(1);
-       }
-
-       scanf("%*s");
-
-       return 0;
-}