diff options
Diffstat (limited to 'drivers/s390/cio/qdio_main.c')
-rw-r--r-- | drivers/s390/cio/qdio_main.c | 71 |
1 files changed, 33 insertions, 38 deletions
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c index b2275c5000e7..999fe80c4051 100644 --- a/drivers/s390/cio/qdio_main.c +++ b/drivers/s390/cio/qdio_main.c | |||
@@ -22,7 +22,6 @@ | |||
22 | #include "device.h" | 22 | #include "device.h" |
23 | #include "qdio.h" | 23 | #include "qdio.h" |
24 | #include "qdio_debug.h" | 24 | #include "qdio_debug.h" |
25 | #include "qdio_perf.h" | ||
26 | 25 | ||
27 | MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>,"\ | 26 | MODULE_AUTHOR("Utz Bacher <utz.bacher@de.ibm.com>,"\ |
28 | "Jan Glauber <jang@linux.vnet.ibm.com>"); | 27 | "Jan Glauber <jang@linux.vnet.ibm.com>"); |
@@ -126,7 +125,7 @@ static int qdio_do_eqbs(struct qdio_q *q, unsigned char *state, | |||
126 | int rc; | 125 | int rc; |
127 | 126 | ||
128 | BUG_ON(!q->irq_ptr->sch_token); | 127 | BUG_ON(!q->irq_ptr->sch_token); |
129 | qdio_perf_stat_inc(&perf_stats.debug_eqbs_all); | 128 | qperf_inc(q, eqbs); |
130 | 129 | ||
131 | if (!q->is_input_q) | 130 | if (!q->is_input_q) |
132 | nr += q->irq_ptr->nr_input_qs; | 131 | nr += q->irq_ptr->nr_input_qs; |
@@ -139,7 +138,7 @@ again: | |||
139 | * buffers later. | 138 | * buffers later. |
140 | */ | 139 | */ |
141 | if ((ccq == 96) && (count != tmp_count)) { | 140 | if ((ccq == 96) && (count != tmp_count)) { |
142 | qdio_perf_stat_inc(&perf_stats.debug_eqbs_incomplete); | 141 | qperf_inc(q, eqbs_partial); |
143 | return (count - tmp_count); | 142 | return (count - tmp_count); |
144 | } | 143 | } |
145 | 144 | ||
@@ -182,7 +181,7 @@ static int qdio_do_sqbs(struct qdio_q *q, unsigned char state, int start, | |||
182 | return 0; | 181 | return 0; |
183 | 182 | ||
184 | BUG_ON(!q->irq_ptr->sch_token); | 183 | BUG_ON(!q->irq_ptr->sch_token); |
185 | qdio_perf_stat_inc(&perf_stats.debug_sqbs_all); | 184 | qperf_inc(q, sqbs); |
186 | 185 | ||
187 | if (!q->is_input_q) | 186 | if (!q->is_input_q) |
188 | nr += q->irq_ptr->nr_input_qs; | 187 | nr += q->irq_ptr->nr_input_qs; |
@@ -191,7 +190,7 @@ again: | |||
191 | rc = qdio_check_ccq(q, ccq); | 190 | rc = qdio_check_ccq(q, ccq); |
192 | if (rc == 1) { | 191 | if (rc == 1) { |
193 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "SQBS again:%2d", ccq); | 192 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "SQBS again:%2d", ccq); |
194 | qdio_perf_stat_inc(&perf_stats.debug_sqbs_incomplete); | 193 | qperf_inc(q, sqbs_partial); |
195 | goto again; | 194 | goto again; |
196 | } | 195 | } |
197 | if (rc < 0) { | 196 | if (rc < 0) { |
@@ -285,7 +284,7 @@ static inline int qdio_siga_sync(struct qdio_q *q, unsigned int output, | |||
285 | return 0; | 284 | return 0; |
286 | 285 | ||
287 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-s:%1d", q->nr); | 286 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-s:%1d", q->nr); |
288 | qdio_perf_stat_inc(&perf_stats.siga_sync); | 287 | qperf_inc(q, siga_sync); |
289 | 288 | ||
290 | cc = do_siga_sync(q->irq_ptr->schid, output, input); | 289 | cc = do_siga_sync(q->irq_ptr->schid, output, input); |
291 | if (cc) | 290 | if (cc) |
@@ -350,7 +349,7 @@ static inline int qdio_siga_input(struct qdio_q *q) | |||
350 | int cc; | 349 | int cc; |
351 | 350 | ||
352 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-r:%1d", q->nr); | 351 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-r:%1d", q->nr); |
353 | qdio_perf_stat_inc(&perf_stats.siga_in); | 352 | qperf_inc(q, siga_read); |
354 | 353 | ||
355 | cc = do_siga_input(q->irq_ptr->schid, q->mask); | 354 | cc = do_siga_input(q->irq_ptr->schid, q->mask); |
356 | if (cc) | 355 | if (cc) |
@@ -382,7 +381,7 @@ static inline void qdio_stop_polling(struct qdio_q *q) | |||
382 | return; | 381 | return; |
383 | 382 | ||
384 | q->u.in.polling = 0; | 383 | q->u.in.polling = 0; |
385 | qdio_perf_stat_inc(&perf_stats.debug_stop_polling); | 384 | qperf_inc(q, stop_polling); |
386 | 385 | ||
387 | /* show the card that we are not polling anymore */ | 386 | /* show the card that we are not polling anymore */ |
388 | if (is_qebsm(q)) { | 387 | if (is_qebsm(q)) { |
@@ -400,7 +399,7 @@ static void announce_buffer_error(struct qdio_q *q, int count) | |||
400 | /* special handling for no target buffer empty */ | 399 | /* special handling for no target buffer empty */ |
401 | if ((!q->is_input_q && | 400 | if ((!q->is_input_q && |
402 | (q->sbal[q->first_to_check]->element[15].flags & 0xff) == 0x10)) { | 401 | (q->sbal[q->first_to_check]->element[15].flags & 0xff) == 0x10)) { |
403 | qdio_perf_stat_inc(&perf_stats.outbound_target_full); | 402 | qperf_inc(q, target_full); |
404 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x", | 403 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "OUTFULL FTC:%02x", |
405 | q->first_to_check); | 404 | q->first_to_check); |
406 | return; | 405 | return; |
@@ -487,7 +486,7 @@ static int get_inbound_buffer_frontier(struct qdio_q *q) | |||
487 | inbound_primed(q, count); | 486 | inbound_primed(q, count); |
488 | q->first_to_check = add_buf(q->first_to_check, count); | 487 | q->first_to_check = add_buf(q->first_to_check, count); |
489 | if (atomic_sub(count, &q->nr_buf_used) == 0) | 488 | if (atomic_sub(count, &q->nr_buf_used) == 0) |
490 | qdio_perf_stat_inc(&perf_stats.inbound_queue_full); | 489 | qperf_inc(q, inbound_queue_full); |
491 | break; | 490 | break; |
492 | case SLSB_P_INPUT_ERROR: | 491 | case SLSB_P_INPUT_ERROR: |
493 | announce_buffer_error(q, count); | 492 | announce_buffer_error(q, count); |
@@ -567,9 +566,10 @@ static void qdio_kick_handler(struct qdio_q *q) | |||
567 | count = sub_buf(end, start); | 566 | count = sub_buf(end, start); |
568 | 567 | ||
569 | if (q->is_input_q) { | 568 | if (q->is_input_q) { |
570 | qdio_perf_stat_inc(&perf_stats.inbound_handler); | 569 | qperf_inc(q, inbound_handler); |
571 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "kih s:%02x c:%02x", start, count); | 570 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "kih s:%02x c:%02x", start, count); |
572 | } else | 571 | } else |
572 | qperf_inc(q, outbound_handler); | ||
573 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "koh: s:%02x c:%02x", | 573 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "koh: s:%02x c:%02x", |
574 | start, count); | 574 | start, count); |
575 | 575 | ||
@@ -583,24 +583,28 @@ static void qdio_kick_handler(struct qdio_q *q) | |||
583 | 583 | ||
584 | static void __qdio_inbound_processing(struct qdio_q *q) | 584 | static void __qdio_inbound_processing(struct qdio_q *q) |
585 | { | 585 | { |
586 | qdio_perf_stat_inc(&perf_stats.tasklet_inbound); | 586 | qperf_inc(q, tasklet_inbound); |
587 | again: | 587 | again: |
588 | if (!qdio_inbound_q_moved(q)) | 588 | if (!qdio_inbound_q_moved(q)) |
589 | return; | 589 | return; |
590 | 590 | ||
591 | qdio_kick_handler(q); | 591 | qdio_kick_handler(q); |
592 | 592 | ||
593 | if (!qdio_inbound_q_done(q)) | 593 | if (!qdio_inbound_q_done(q)) { |
594 | /* means poll time is not yet over */ | 594 | /* means poll time is not yet over */ |
595 | qperf_inc(q, tasklet_inbound_resched); | ||
595 | goto again; | 596 | goto again; |
597 | } | ||
596 | 598 | ||
597 | qdio_stop_polling(q); | 599 | qdio_stop_polling(q); |
598 | /* | 600 | /* |
599 | * We need to check again to not lose initiative after | 601 | * We need to check again to not lose initiative after |
600 | * resetting the ACK state. | 602 | * resetting the ACK state. |
601 | */ | 603 | */ |
602 | if (!qdio_inbound_q_done(q)) | 604 | if (!qdio_inbound_q_done(q)) { |
605 | qperf_inc(q, tasklet_inbound_resched2); | ||
603 | goto again; | 606 | goto again; |
607 | } | ||
604 | } | 608 | } |
605 | 609 | ||
606 | void qdio_inbound_processing(unsigned long data) | 610 | void qdio_inbound_processing(unsigned long data) |
@@ -688,7 +692,7 @@ static int qdio_kick_outbound_q(struct qdio_q *q) | |||
688 | return 0; | 692 | return 0; |
689 | 693 | ||
690 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-w:%1d", q->nr); | 694 | DBF_DEV_EVENT(DBF_INFO, q->irq_ptr, "siga-w:%1d", q->nr); |
691 | qdio_perf_stat_inc(&perf_stats.siga_out); | 695 | qperf_inc(q, siga_write); |
692 | 696 | ||
693 | cc = qdio_siga_output(q, &busy_bit); | 697 | cc = qdio_siga_output(q, &busy_bit); |
694 | switch (cc) { | 698 | switch (cc) { |
@@ -711,7 +715,7 @@ static int qdio_kick_outbound_q(struct qdio_q *q) | |||
711 | 715 | ||
712 | static void __qdio_outbound_processing(struct qdio_q *q) | 716 | static void __qdio_outbound_processing(struct qdio_q *q) |
713 | { | 717 | { |
714 | qdio_perf_stat_inc(&perf_stats.tasklet_outbound); | 718 | qperf_inc(q, tasklet_outbound); |
715 | BUG_ON(atomic_read(&q->nr_buf_used) < 0); | 719 | BUG_ON(atomic_read(&q->nr_buf_used) < 0); |
716 | 720 | ||
717 | if (qdio_outbound_q_moved(q)) | 721 | if (qdio_outbound_q_moved(q)) |
@@ -739,12 +743,9 @@ static void __qdio_outbound_processing(struct qdio_q *q) | |||
739 | */ | 743 | */ |
740 | if (qdio_outbound_q_done(q)) | 744 | if (qdio_outbound_q_done(q)) |
741 | del_timer(&q->u.out.timer); | 745 | del_timer(&q->u.out.timer); |
742 | else { | 746 | else |
743 | if (!timer_pending(&q->u.out.timer)) { | 747 | if (!timer_pending(&q->u.out.timer)) |
744 | mod_timer(&q->u.out.timer, jiffies + 10 * HZ); | 748 | mod_timer(&q->u.out.timer, jiffies + 10 * HZ); |
745 | qdio_perf_stat_inc(&perf_stats.debug_tl_out_timer); | ||
746 | } | ||
747 | } | ||
748 | return; | 749 | return; |
749 | 750 | ||
750 | sched: | 751 | sched: |
@@ -784,7 +785,7 @@ static inline void qdio_check_outbound_after_thinint(struct qdio_q *q) | |||
784 | 785 | ||
785 | static void __tiqdio_inbound_processing(struct qdio_q *q) | 786 | static void __tiqdio_inbound_processing(struct qdio_q *q) |
786 | { | 787 | { |
787 | qdio_perf_stat_inc(&perf_stats.thinint_inbound); | 788 | qperf_inc(q, tasklet_inbound); |
788 | qdio_sync_after_thinint(q); | 789 | qdio_sync_after_thinint(q); |
789 | 790 | ||
790 | /* | 791 | /* |
@@ -799,7 +800,7 @@ static void __tiqdio_inbound_processing(struct qdio_q *q) | |||
799 | qdio_kick_handler(q); | 800 | qdio_kick_handler(q); |
800 | 801 | ||
801 | if (!qdio_inbound_q_done(q)) { | 802 | if (!qdio_inbound_q_done(q)) { |
802 | qdio_perf_stat_inc(&perf_stats.thinint_inbound_loop); | 803 | qperf_inc(q, tasklet_inbound_resched); |
803 | if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) { | 804 | if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) { |
804 | tasklet_schedule(&q->tasklet); | 805 | tasklet_schedule(&q->tasklet); |
805 | return; | 806 | return; |
@@ -812,7 +813,7 @@ static void __tiqdio_inbound_processing(struct qdio_q *q) | |||
812 | * resetting the ACK state. | 813 | * resetting the ACK state. |
813 | */ | 814 | */ |
814 | if (!qdio_inbound_q_done(q)) { | 815 | if (!qdio_inbound_q_done(q)) { |
815 | qdio_perf_stat_inc(&perf_stats.thinint_inbound_loop2); | 816 | qperf_inc(q, tasklet_inbound_resched2); |
816 | if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) | 817 | if (likely(q->irq_ptr->state != QDIO_IRQ_STATE_STOPPED)) |
817 | tasklet_schedule(&q->tasklet); | 818 | tasklet_schedule(&q->tasklet); |
818 | } | 819 | } |
@@ -851,8 +852,6 @@ static void qdio_int_handler_pci(struct qdio_irq *irq_ptr) | |||
851 | if (unlikely(irq_ptr->state == QDIO_IRQ_STATE_STOPPED)) | 852 | if (unlikely(irq_ptr->state == QDIO_IRQ_STATE_STOPPED)) |
852 | return; | 853 | return; |
853 | 854 | ||
854 | qdio_perf_stat_inc(&perf_stats.pci_int); | ||
855 | |||
856 | for_each_input_queue(irq_ptr, q, i) | 855 | for_each_input_queue(irq_ptr, q, i) |
857 | tasklet_schedule(&q->tasklet); | 856 | tasklet_schedule(&q->tasklet); |
858 | 857 | ||
@@ -923,8 +922,6 @@ void qdio_int_handler(struct ccw_device *cdev, unsigned long intparm, | |||
923 | struct qdio_irq *irq_ptr = cdev->private->qdio_data; | 922 | struct qdio_irq *irq_ptr = cdev->private->qdio_data; |
924 | int cstat, dstat; | 923 | int cstat, dstat; |
925 | 924 | ||
926 | qdio_perf_stat_inc(&perf_stats.qdio_int); | ||
927 | |||
928 | if (!intparm || !irq_ptr) { | 925 | if (!intparm || !irq_ptr) { |
929 | DBF_ERROR("qint:%4x", cdev->private->schid.sch_no); | 926 | DBF_ERROR("qint:%4x", cdev->private->schid.sch_no); |
930 | return; | 927 | return; |
@@ -1383,6 +1380,8 @@ static int handle_inbound(struct qdio_q *q, unsigned int callflags, | |||
1383 | { | 1380 | { |
1384 | int used, diff; | 1381 | int used, diff; |
1385 | 1382 | ||
1383 | qperf_inc(q, inbound_call); | ||
1384 | |||
1386 | if (!q->u.in.polling) | 1385 | if (!q->u.in.polling) |
1387 | goto set; | 1386 | goto set; |
1388 | 1387 | ||
@@ -1438,14 +1437,16 @@ static int handle_outbound(struct qdio_q *q, unsigned int callflags, | |||
1438 | unsigned char state; | 1437 | unsigned char state; |
1439 | int used, rc = 0; | 1438 | int used, rc = 0; |
1440 | 1439 | ||
1441 | qdio_perf_stat_inc(&perf_stats.outbound_handler); | 1440 | qperf_inc(q, outbound_call); |
1442 | 1441 | ||
1443 | count = set_buf_states(q, bufnr, SLSB_CU_OUTPUT_PRIMED, count); | 1442 | count = set_buf_states(q, bufnr, SLSB_CU_OUTPUT_PRIMED, count); |
1444 | used = atomic_add_return(count, &q->nr_buf_used); | 1443 | used = atomic_add_return(count, &q->nr_buf_used); |
1445 | BUG_ON(used > QDIO_MAX_BUFFERS_PER_Q); | 1444 | BUG_ON(used > QDIO_MAX_BUFFERS_PER_Q); |
1446 | 1445 | ||
1447 | if (callflags & QDIO_FLAG_PCI_OUT) | 1446 | if (callflags & QDIO_FLAG_PCI_OUT) { |
1448 | q->u.out.pci_out_enabled = 1; | 1447 | q->u.out.pci_out_enabled = 1; |
1448 | qperf_inc(q, pci_request_int); | ||
1449 | } | ||
1449 | else | 1450 | else |
1450 | q->u.out.pci_out_enabled = 0; | 1451 | q->u.out.pci_out_enabled = 0; |
1451 | 1452 | ||
@@ -1484,7 +1485,7 @@ static int handle_outbound(struct qdio_q *q, unsigned int callflags, | |||
1484 | if (state != SLSB_CU_OUTPUT_PRIMED) | 1485 | if (state != SLSB_CU_OUTPUT_PRIMED) |
1485 | rc = qdio_kick_outbound_q(q); | 1486 | rc = qdio_kick_outbound_q(q); |
1486 | else | 1487 | else |
1487 | qdio_perf_stat_inc(&perf_stats.fast_requeue); | 1488 | qperf_inc(q, fast_requeue); |
1488 | 1489 | ||
1489 | out: | 1490 | out: |
1490 | tasklet_schedule(&q->tasklet); | 1491 | tasklet_schedule(&q->tasklet); |
@@ -1540,16 +1541,11 @@ static int __init init_QDIO(void) | |||
1540 | rc = qdio_debug_init(); | 1541 | rc = qdio_debug_init(); |
1541 | if (rc) | 1542 | if (rc) |
1542 | goto out_ti; | 1543 | goto out_ti; |
1543 | rc = qdio_setup_perf_stats(); | ||
1544 | if (rc) | ||
1545 | goto out_debug; | ||
1546 | rc = tiqdio_register_thinints(); | 1544 | rc = tiqdio_register_thinints(); |
1547 | if (rc) | 1545 | if (rc) |
1548 | goto out_perf; | 1546 | goto out_debug; |
1549 | return 0; | 1547 | return 0; |
1550 | 1548 | ||
1551 | out_perf: | ||
1552 | qdio_remove_perf_stats(); | ||
1553 | out_debug: | 1549 | out_debug: |
1554 | qdio_debug_exit(); | 1550 | qdio_debug_exit(); |
1555 | out_ti: | 1551 | out_ti: |
@@ -1563,7 +1559,6 @@ static void __exit exit_QDIO(void) | |||
1563 | { | 1559 | { |
1564 | tiqdio_unregister_thinints(); | 1560 | tiqdio_unregister_thinints(); |
1565 | tiqdio_free_memory(); | 1561 | tiqdio_free_memory(); |
1566 | qdio_remove_perf_stats(); | ||
1567 | qdio_debug_exit(); | 1562 | qdio_debug_exit(); |
1568 | qdio_setup_exit(); | 1563 | qdio_setup_exit(); |
1569 | } | 1564 | } |