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1c8284eb MD |
1 | /* |
2 | * ltt/probes/rcu-trace.c | |
3 | * | |
4 | * RCU tracepoint probes. | |
5 | * | |
6 | * (C) Copyright 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca> | |
7 | * Dual LGPL v2.1/GPL v2 license. | |
8 | */ | |
9 | ||
10 | #include <linux/module.h> | |
11 | #include <trace/rcu.h> | |
12 | ||
13 | #ifdef CONFIG_TREE_RCU | |
14 | void probe_rcu_tree_callback(void *data, struct rcu_head *head) | |
15 | { | |
16 | trace_mark_tp(rcu, tree_callback, rcu_tree_callback, | |
17 | probe_rcu_tree_callback, "func %p", head->func); | |
18 | } | |
19 | ||
20 | void probe_rcu_tree_call_rcu(void *data, struct rcu_head *head, unsigned long ip) | |
21 | { | |
22 | trace_mark_tp(rcu, tree_call_rcu, rcu_tree_call_rcu, | |
23 | probe_rcu_tree_call_rcu, "func %p ip 0x%lX", head->func, ip); | |
24 | } | |
25 | ||
26 | void probe_rcu_tree_call_rcu_bh(void *data, struct rcu_head *head, unsigned long ip) | |
27 | { | |
28 | trace_mark_tp(rcu, tree_call_rcu_bh, rcu_tree_call_rcu_bh, | |
29 | probe_rcu_tree_call_rcu_bh, "func %p ip 0x%lX", | |
30 | head->func, ip); | |
31 | } | |
32 | #endif | |
33 | ||
34 | MODULE_LICENSE("GPL and additional rights"); | |
35 | MODULE_AUTHOR("Mathieu Desnoyers"); | |
36 | MODULE_DESCRIPTION("RCU Tracepoint Probes"); |