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[v3,03/10] trace-cmd dump: Add helpers for processing trace file sections

Message ID 20211008042701.979075-4-tz.stoyanov@gmail.com (mailing list archive)
State Superseded
Headers show
Series trace-cmd dump - v7 update | expand

Commit Message

Tzvetomir Stoyanov (VMware) Oct. 8, 2021, 4:26 a.m. UTC 
Added a new local database for storing sections, found in trace file
version 7.

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
---
 tracecmd/trace-dump.c | 23 ++++++++++++++++++++++-
 1 file changed, 22 insertions(+), 1 deletion(-)
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Patch

diff --git a/tracecmd/trace-dump.c b/tracecmd/trace-dump.c
index 3cce231f..f7284436 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)
@@ -723,6 +733,17 @@  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;
@@ -748,7 +769,7 @@  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);