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authorIngo Molnar <mingo@elte.hu>2008-07-18 22:00:54 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 22:00:54 +0200
commitbb2c018b09b681d43f5e08124b83e362647ea82b (patch)
treed794902c78f9fdd04ed88a4b8d451ed6f9292ec0 /drivers/s390/cio/qdio_perf.h
parentMerge branch 'linus' into cpus4096 (diff)
parentMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
downloadlinux-bb2c018b09b681d43f5e08124b83e362647ea82b.tar.xz
linux-bb2c018b09b681d43f5e08124b83e362647ea82b.zip
Merge branch 'linus' into cpus4096
Conflicts: drivers/acpi/processor_throttling.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/s390/cio/qdio_perf.h')
-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
new file mode 100644
index 000000000000..5c406a8b7387
--- /dev/null
+++ b/drivers/s390/cio/qdio_perf.h
@@ -0,0 +1,54 @@
+/*
+ * drivers/s390/cio/qdio_perf.h
+ *
+ * Copyright IBM Corp. 2008
+ *
+ * Author: Jan Glauber (jang@linux.vnet.ibm.com)
+ */
+#ifndef QDIO_PERF_H
+#define QDIO_PERF_H
+
+#include <linux/types.h>
+#include <linux/device.h>
+#include <asm/atomic.h>
+
+struct qdio_perf_stats {
+ /* interrupt handler calls */
+ atomic_long_t qdio_int;
+ atomic_long_t pci_int;
+ atomic_long_t thin_int;
+
+ /* tasklet runs */
+ atomic_long_t tasklet_inbound;
+ atomic_long_t tasklet_outbound;
+ atomic_long_t tasklet_thinint;
+ atomic_long_t tasklet_thinint_loop;
+ atomic_long_t thinint_inbound;
+ atomic_long_t thinint_inbound_loop;
+ atomic_long_t thinint_inbound_loop2;
+
+ /* signal adapter calls */
+ atomic_long_t siga_out;
+ atomic_long_t siga_in;
+ atomic_long_t siga_sync;
+
+ /* misc */
+ atomic_long_t inbound_handler;
+ atomic_long_t outbound_handler;
+ atomic_long_t fast_requeue;
+
+ /* for debugging */
+ atomic_long_t debug_tl_out_timer;
+ atomic_long_t debug_stop_polling;
+};
+
+extern struct qdio_perf_stats perf_stats;
+extern int qdio_performance_stats;
+
+int qdio_setup_perf_stats(void);
+void qdio_remove_perf_stats(void);
+
+extern void qdio_perf_stat_inc(atomic_long_t *count);
+extern void qdio_perf_stat_dec(atomic_long_t *count);
+
+#endif