forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.4 KiB
61 lines
1.4 KiB
// SPDX-License-Identifier: LGPL-2.1 |
|
/* |
|
* Copyright (C) 2010 Red Hat Inc, Steven Rostedt <[email protected]> |
|
*/ |
|
#include <stdio.h> |
|
#include <stdlib.h> |
|
#include <string.h> |
|
|
|
#include "event-parse.h" |
|
#include "trace-seq.h" |
|
|
|
#define MINORBITS 20 |
|
#define MINORMASK ((1U << MINORBITS) - 1) |
|
|
|
#define MAJOR(dev) ((unsigned int) ((dev) >> MINORBITS)) |
|
#define MINOR(dev) ((unsigned int) ((dev) & MINORMASK)) |
|
|
|
static unsigned long long |
|
process_jbd2_dev_to_name(struct trace_seq *s, unsigned long long *args) |
|
{ |
|
unsigned int dev = args[0]; |
|
|
|
trace_seq_printf(s, "%d:%d", MAJOR(dev), MINOR(dev)); |
|
return 0; |
|
} |
|
|
|
static unsigned long long |
|
process_jiffies_to_msecs(struct trace_seq *s, unsigned long long *args) |
|
{ |
|
unsigned long long jiffies = args[0]; |
|
|
|
trace_seq_printf(s, "%lld", jiffies); |
|
return jiffies; |
|
} |
|
|
|
int TEP_PLUGIN_LOADER(struct tep_handle *tep) |
|
{ |
|
tep_register_print_function(tep, |
|
process_jbd2_dev_to_name, |
|
TEP_FUNC_ARG_STRING, |
|
"jbd2_dev_to_name", |
|
TEP_FUNC_ARG_INT, |
|
TEP_FUNC_ARG_VOID); |
|
|
|
tep_register_print_function(tep, |
|
process_jiffies_to_msecs, |
|
TEP_FUNC_ARG_LONG, |
|
"jiffies_to_msecs", |
|
TEP_FUNC_ARG_LONG, |
|
TEP_FUNC_ARG_VOID); |
|
return 0; |
|
} |
|
|
|
void TEP_PLUGIN_UNLOADER(struct tep_handle *tep) |
|
{ |
|
tep_unregister_print_function(tep, process_jbd2_dev_to_name, |
|
"jbd2_dev_to_name"); |
|
|
|
tep_unregister_print_function(tep, process_jiffies_to_msecs, |
|
"jiffies_to_msecs"); |
|
}
|
|
|