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-rw-r--r--drivers/s390/cio/qdio_perf.c149
1 files changed, 0 insertions, 149 deletions
diff --git a/drivers/s390/cio/qdio_perf.c b/drivers/s390/cio/qdio_perf.c
deleted file mode 100644
index 54f7c325a3e6..000000000000
--- a/drivers/s390/cio/qdio_perf.c
+++ /dev/null
@@ -1,149 +0,0 @@
1/*
2 * drivers/s390/cio/qdio_perf.c
3 *
4 * Copyright IBM Corp. 2008
5 *
6 * Author: Jan Glauber (jang@linux.vnet.ibm.com)
7 */
8#include <linux/kernel.h>
9#include <linux/proc_fs.h>
10#include <linux/seq_file.h>
11#include <asm/ccwdev.h>
12
13#include "cio.h"
14#include "css.h"
15#include "device.h"
16#include "ioasm.h"
17#include "chsc.h"
18#include "qdio_debug.h"
19#include "qdio_perf.h"
20
21int qdio_performance_stats;
22struct qdio_perf_stats perf_stats;
23
24#ifdef CONFIG_PROC_FS
25static struct proc_dir_entry *qdio_perf_pde;
26#endif
27
28/*
29 * procfs functions
30 */
31static int qdio_perf_proc_show(struct seq_file *m, void *v)
32{
33 seq_printf(m, "Number of qdio interrupts\t\t\t: %li\n",
34 (long)atomic_long_read(&perf_stats.qdio_int));
35 seq_printf(m, "Number of PCI interrupts\t\t\t: %li\n",
36 (long)atomic_long_read(&perf_stats.pci_int));
37 seq_printf(m, "Number of adapter interrupts\t\t\t: %li\n",
38 (long)atomic_long_read(&perf_stats.thin_int));
39 seq_printf(m, "\n");
40 seq_printf(m, "Inbound tasklet runs\t\t\t\t: %li\n",
41 (long)atomic_long_read(&perf_stats.tasklet_inbound));
42 seq_printf(m, "Outbound tasklet runs\t\t\t\t: %li\n",
43 (long)atomic_long_read(&perf_stats.tasklet_outbound));
44 seq_printf(m, "Adapter interrupt tasklet runs/loops\t\t: %li/%li\n",
45 (long)atomic_long_read(&perf_stats.tasklet_thinint),
46 (long)atomic_long_read(&perf_stats.tasklet_thinint_loop));
47 seq_printf(m, "Adapter interrupt inbound tasklet runs/loops\t: %li/%li\n",
48 (long)atomic_long_read(&perf_stats.thinint_inbound),
49 (long)atomic_long_read(&perf_stats.thinint_inbound_loop));
50 seq_printf(m, "\n");
51 seq_printf(m, "Number of SIGA In issued\t\t\t: %li\n",
52 (long)atomic_long_read(&perf_stats.siga_in));
53 seq_printf(m, "Number of SIGA Out issued\t\t\t: %li\n",
54 (long)atomic_long_read(&perf_stats.siga_out));
55 seq_printf(m, "Number of SIGA Sync issued\t\t\t: %li\n",
56 (long)atomic_long_read(&perf_stats.siga_sync));
57 seq_printf(m, "\n");
58 seq_printf(m, "Number of inbound transfers\t\t\t: %li\n",
59 (long)atomic_long_read(&perf_stats.inbound_handler));
60 seq_printf(m, "Number of outbound transfers\t\t\t: %li\n",
61 (long)atomic_long_read(&perf_stats.outbound_handler));
62 seq_printf(m, "\n");
63 seq_printf(m, "Number of fast requeues (outg. SBAL w/o SIGA)\t: %li\n",
64 (long)atomic_long_read(&perf_stats.fast_requeue));
65 seq_printf(m, "Number of outbound target full condition\t: %li\n",
66 (long)atomic_long_read(&perf_stats.outbound_target_full));
67 seq_printf(m, "Number of inbound queue full condition\t\t: %li\n",
68 (long)atomic_long_read(&perf_stats.inbound_queue_full));
69 seq_printf(m, "Number of outbound tasklet mod_timer calls\t: %li\n",
70 (long)atomic_long_read(&perf_stats.debug_tl_out_timer));
71 seq_printf(m, "Number of stop polling calls\t\t\t: %li\n",
72 (long)atomic_long_read(&perf_stats.debug_stop_polling));
73 seq_printf(m, "AI inbound tasklet loops after stop polling\t: %li\n",
74 (long)atomic_long_read(&perf_stats.thinint_inbound_loop2));
75 seq_printf(m, "QEBSM EQBS total/incomplete\t\t\t: %li/%li\n",
76 (long)atomic_long_read(&perf_stats.debug_eqbs_all),
77 (long)atomic_long_read(&perf_stats.debug_eqbs_incomplete));
78 seq_printf(m, "QEBSM SQBS total/incomplete\t\t\t: %li/%li\n",
79 (long)atomic_long_read(&perf_stats.debug_sqbs_all),
80 (long)atomic_long_read(&perf_stats.debug_sqbs_incomplete));
81 seq_printf(m, "\n");
82 return 0;
83}
84static int qdio_perf_seq_open(struct inode *inode, struct file *filp)
85{
86 return single_open(filp, qdio_perf_proc_show, NULL);
87}
88
89static const struct file_operations qdio_perf_proc_fops = {
90 .owner = THIS_MODULE,
91 .open = qdio_perf_seq_open,
92 .read = seq_read,
93 .llseek = seq_lseek,
94 .release = single_release,
95};
96
97/*
98 * sysfs functions
99 */
100static ssize_t qdio_perf_stats_show(struct bus_type *bus, char *buf)
101{
102 return sprintf(buf, "%i\n", qdio_performance_stats ? 1 : 0);
103}
104
105static ssize_t qdio_perf_stats_store(struct bus_type *bus,
106 const char *buf, size_t count)
107{
108 unsigned long i;
109
110 if (strict_strtoul(buf, 16, &i) != 0)
111 return -EINVAL;
112 if ((i != 0) && (i != 1))
113 return -EINVAL;
114 if (i == qdio_performance_stats)
115 return count;
116
117 qdio_performance_stats = i;
118 /* reset performance statistics */
119 if (i == 0)
120 memset(&perf_stats, 0, sizeof(struct qdio_perf_stats));
121 return count;
122}
123
124static BUS_ATTR(qdio_performance_stats, 0644, qdio_perf_stats_show,
125 qdio_perf_stats_store);
126
127int __init qdio_setup_perf_stats(void)
128{
129 int rc;
130
131 rc = bus_create_file(&ccw_bus_type, &bus_attr_qdio_performance_stats);
132 if (rc)
133 return rc;
134
135#ifdef CONFIG_PROC_FS
136 memset(&perf_stats, 0, sizeof(struct qdio_perf_stats));
137 qdio_perf_pde = proc_create("qdio_perf", S_IFREG | S_IRUGO,
138 NULL, &qdio_perf_proc_fops);
139#endif
140 return 0;
141}
142
143void qdio_remove_perf_stats(void)
144{
145#ifdef CONFIG_PROC_FS
146 remove_proc_entry("qdio_perf", NULL);
147#endif
148 bus_remove_file(&ccw_bus_type, &bus_attr_qdio_performance_stats);
149}
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