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-rw-r--r--drivers/s390/cio/qdio_perf.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/s390/cio/qdio_perf.h b/drivers/s390/cio/qdio_perf.h
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index 000000000000..5c406a8b7387
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+++ b/drivers/s390/cio/qdio_perf.h
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1/*
2 * drivers/s390/cio/qdio_perf.h
3 *
4 * Copyright IBM Corp. 2008
5 *
6 * Author: Jan Glauber (jang@linux.vnet.ibm.com)
7 */
8#ifndef QDIO_PERF_H
9#define QDIO_PERF_H
10
11#include <linux/types.h>
12#include <linux/device.h>
13#include <asm/atomic.h>
14
15struct qdio_perf_stats {
16 /* interrupt handler calls */
17 atomic_long_t qdio_int;
18 atomic_long_t pci_int;
19 atomic_long_t thin_int;
20
21 /* tasklet runs */
22 atomic_long_t tasklet_inbound;
23 atomic_long_t tasklet_outbound;
24 atomic_long_t tasklet_thinint;
25 atomic_long_t tasklet_thinint_loop;
26 atomic_long_t thinint_inbound;
27 atomic_long_t thinint_inbound_loop;
28 atomic_long_t thinint_inbound_loop2;
29
30 /* signal adapter calls */
31 atomic_long_t siga_out;
32 atomic_long_t siga_in;
33 atomic_long_t siga_sync;
34
35 /* misc */
36 atomic_long_t inbound_handler;
37 atomic_long_t outbound_handler;
38 atomic_long_t fast_requeue;
39
40 /* for debugging */
41 atomic_long_t debug_tl_out_timer;
42 atomic_long_t debug_stop_polling;
43};
44
45extern struct qdio_perf_stats perf_stats;
46extern int qdio_performance_stats;
47
48int qdio_setup_perf_stats(void);
49void qdio_remove_perf_stats(void);
50
51extern void qdio_perf_stat_inc(atomic_long_t *count);
52extern void qdio_perf_stat_dec(atomic_long_t *count);
53
54#endif