[v8,03/11] trace-cmd dump: Add helpers for processing trace file sections

Commit Message

Tzvetomir Stoyanov (VMware) Jan. 26, 2022, 9:53 a.m. UTC

Added a new local database for storing sections, found in trace file
version 7.

Signed-off-by: Tzvetomir Stoyanov (VMware) <[e-mail]>
---
 tracecmd/trace-dump.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)

Patch

diff --git a/tracecmd/trace-dump.c b/tracecmd/trace-dump.c
index 6dad0fef..c4ad6c5b 100644
--- a/tracecmd/trace-dump.c
+++ b/tracecmd/trace-dump.c
@@ -43,8 +43,18 @@  enum dump_items {
 	OPTIONS		= (1 << 9),
 	FLYRECORD	= (1 << 10),
 	CLOCK		= (1 << 11),
+	SECTIONS	= (1 << 12),
 };
 
+struct file_section {
+	int id;
+	unsigned long long offset;
+	struct file_section *next;
+	enum dump_items verbosity;
+};
+
+static struct file_section *sections;
+
 enum dump_items verbosity;
 
 #define DUMP_CHECK(X) ((X) & verbosity)
@@ -773,6 +783,17 @@  static void dump_therest(int fd)
 	}
 }
 
+static void free_sections(void)
+{
+	struct file_section *del;
+
+	while (sections) {
+		del = sections;
+		sections = sections->next;
+		free(del);
+	}
+}
+
 static void dump_file(const char *file)
 {
 	int fd;
@@ -798,7 +819,7 @@  static void dump_file(const char *file)
 	dump_cmdlines(fd);
 	dump_cpus_count(fd);
 	dump_therest(fd);
-
+	free_sections();
 	tep_free(tep);
 	tep = NULL;
 	close(fd);