rt_write_json writes the common system information header of the
rt-test currently executed.
Signed-off-by: Daniel Wagner <dwagner@xxxxxxx>
---
src/include/rt-utils.h | 4 +++
src/lib/rt-utils.c | 70 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 74 insertions(+)
diff --git a/src/include/rt-utils.h b/src/include/rt-utils.h
index 39ddbd9eae29..36af92b170df 100644
--- a/src/include/rt-utils.h
+++ b/src/include/rt-utils.h
@@ -80,4 +80,8 @@ static inline int64_t calctime(struct timespec t)
return time;
}
+void rt_write_json(const char *filename, int argc, char *argv[],
+ void (*cb)(FILE *, void *),
+ void *data);
+
#endif /* __RT_UTILS.H */
diff --git a/src/lib/rt-utils.c b/src/lib/rt-utils.c
index 321a11b1172d..a679bab8c595 100644
--- a/src/lib/rt-utils.c
+++ b/src/lib/rt-utils.c
@@ -20,6 +20,7 @@
#include <sys/stat.h>
#include <unistd.h>
#include <sys/syscall.h> /* For SYS_gettid definitions */
+#include <sys/utsname.h>
#include "rt-utils.h"
#include "rt-sched.h"
@@ -482,3 +483,72 @@ void disable_trace_mark(void)
{
close_tracemark_fd();
}
+
+static char *get_cmdline(int argc, char *argv[])
+{
+ char *cmdline;
+ int len, i;
+
+ len = 0;
+ for (i = 0; i < argc; i++)
+ len += strlen(argv[i]) + 1;
+
+ cmdline = malloc(len);
+ if (!cmdline)
+ err_exit(ENOMEM, "Could not copy cmdline");
+
+ memset(cmdline, 0, len);
+ for (i = 0; i < argc;) {
+ cmdline = strcat(cmdline, argv[i]);
+ i++;
+ if (i < argc)
+ cmdline = strcat(cmdline, " ");
+ }
+
+ return cmdline;
+}
+
+void rt_write_json(const char *filename, int argc, char *argv[],
+ void (*cb)(FILE *, void *),
+ void *data)
+{
+ struct utsname buf;
+ char *cmdline;
+ FILE *f;
+
+ if (!strcmp("-", filename)) {
+ f = stdout;
+ } else {
+ f = fopen(filename, "w");
+ if (!f)
+ err_exit(errno, "Failed to open '%s'\n", filename);
+ }
+
+ cmdline = get_cmdline(argc, argv);
+ if (!cmdline)
+ err_exit(ENOMEM, "get_cmdline()");
+
+ if (uname(&buf))
+ err_exit(errno, "Could not retrieve system information");
+
+ fprintf(f, "{\n");
+ fprintf(f, " \"file_version\": 1,\n");
+ fprintf(f, " \"cmdline:\": \"%s\",\n", cmdline);
+ fprintf(f, " \"rt_test_version:\": \"%1.2f\",\n", VERSION);
+ fprintf(f, " \"sysinfo\": {\n");
+ fprintf(f, " \"sysname\": \"%s\",\n", buf.sysname);
+ fprintf(f, " \"nodename\": \"%s\",\n", buf.nodename);
+ fprintf(f, " \"release\": \"%s\",\n", buf.release);
+ fprintf(f, " \"version\": \"%s\",\n", buf.version);
+ fprintf(f, " \"machine\": \"%s\"\n", buf.machine);
+ fprintf(f, " },\n");
+
+ (cb)(f, data);
+
+ fprintf(f, "}\n");
+
+ free(cmdline);
+
+ if (strcmp("-", filename))
+ fclose(f);
+}
--
2.30.0
