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#include <stdio.h>
#include <stdlib.h>
#include "libkshark.h"
#include "libkshark-tepdata.h"
const char *default_file = "trace.dat";
int main(int argc, char **argv)
{
struct kshark_context *kshark_ctx;
struct kshark_entry **data = NULL;
ssize_t r, n_rows;
int sd;
/* Create a new kshark session. */
kshark_ctx = NULL;
if (!kshark_instance(&kshark_ctx))
return 1;
/* Open a trace data file produced by trace-cmd. */
if (argc > 1)
sd = kshark_open(kshark_ctx, argv[1]);
else
sd = kshark_open(kshark_ctx, default_file);
if (sd < 0) {
kshark_free(kshark_ctx);
return 1;
}
/* Initialize data streams for all buffers in this file. */
kshark_tep_init_all_buffers(kshark_ctx, sd);
/* Load all buffers. */
n_rows = kshark_load_all_entries(kshark_ctx, &data);
/* Print to the screen the first 20 entries. */
for (r = 0; r < 20; ++r)
kshark_print_entry(data[r]);
/* Free the memory. */
for (r = 0; r < n_rows; ++r)
free(data[r]);
free(data);
kshark_close_all(kshark_ctx);
/* Close the session. */
kshark_free(kshark_ctx);
return 0;
}
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