Author: mav
Date: Sat Feb 23 04:24:44 2019
New Revision: 344480
URL: https://svnweb.freebsd.org/changeset/base/344480
Log:
Remove disabled CTL_LEGACY_STATS support.
It was not only disabled for quite a while, but also appeared to be broken
at r325517, when maximum number of ports was made configurable.
MFC after: 1 week
Modified:
head/sys/cam/ctl/ctl.c
head/sys/cam/ctl/ctl_ioctl.h
head/sys/cam/ctl/ctl_private.h
Modified: head/sys/cam/ctl/ctl.c
==============================================================================
--- head/sys/cam/ctl/ctl.c Sat Feb 23 00:00:49 2019 (r344479)
+++ head/sys/cam/ctl/ctl.c Sat Feb 23 04:24:44 2019 (r344480)
@@ -2743,39 +2743,6 @@ ctl_ioctl(struct cdev *dev, u_long cmd, caddr_t addr,
#endif /* CTL_IO_DELAY */
break;
}
-#ifdef CTL_LEGACY_STATS
- case CTL_GETSTATS: {
- struct ctl_stats *stats = (struct ctl_stats *)addr;
- int i;
-
- /*
- * XXX KDM no locking here. If the LUN list changes,
- * things can blow up.
- */
- i = 0;
- stats->status = CTL_SS_OK;
- stats->fill_len = 0;
- STAILQ_FOREACH(lun, &softc->lun_list, links) {
- if (stats->fill_len + sizeof(lun->legacy_stats) >
- stats->alloc_len) {
- stats->status = CTL_SS_NEED_MORE_SPACE;
- break;
- }
- retval = copyout(&lun->legacy_stats,
&stats->lun_stats[i++],
- sizeof(lun->legacy_stats));
- if (retval != 0)
- break;
- stats->fill_len += sizeof(lun->legacy_stats);
- }
- stats->num_luns = softc->num_luns;
- stats->flags = CTL_STATS_FLAG_NONE;
-#ifdef CTL_TIME_IO
- stats->flags |= CTL_STATS_FLAG_TIME_VALID;
-#endif
- getnanouptime(&stats->timestamp);
- break;
- }
-#endif /* CTL_LEGACY_STATS */
case CTL_ERROR_INJECT: {
struct ctl_error_desc *err_desc, *new_err_desc;
@@ -4758,17 +4725,6 @@ fail:
ctl_init_log_page_index(lun);
/* Setup statistics gathering */
-#ifdef CTL_LEGACY_STATS
- lun->legacy_stats.device_type = be_lun->lun_type;
- lun->legacy_stats.lun_number = lun_number;
- lun->legacy_stats.blocksize = be_lun->blocksize;
- if (be_lun->blocksize == 0)
- lun->legacy_stats.flags = CTL_LUN_STATS_NO_BLOCKSIZE;
- lun->legacy_stats.ports = malloc(sizeof(struct ctl_lun_io_port_stats) *
- ctl_max_ports, M_DEVBUF, M_WAITOK | M_ZERO);
- for (len = 0; len < ctl_max_ports; len++)
- lun->legacy_stats.ports[len].targ_port = len;
-#endif /* CTL_LEGACY_STATS */
lun->stats.item = lun_number;
/*
@@ -13078,21 +13034,6 @@ ctl_process_done(union ctl_io *io)
type = CTL_STATS_WRITE;
else
type = CTL_STATS_NO_IO;
-
-#ifdef CTL_LEGACY_STATS
- uint32_t targ_port = port->targ_port;
- lun->legacy_stats.ports[targ_port].bytes[type] +=
- io->scsiio.kern_total_len;
- lun->legacy_stats.ports[targ_port].operations[type] ++;
- lun->legacy_stats.ports[targ_port].num_dmas[type] +=
- io->io_hdr.num_dmas;
-#ifdef CTL_TIME_IO
- bintime_add(&lun->legacy_stats.ports[targ_port].dma_time[type],
- &io->io_hdr.dma_bt);
- bintime_add(&lun->legacy_stats.ports[targ_port].time[type],
- &bt);
-#endif
-#endif /* CTL_LEGACY_STATS */
lun->stats.bytes[type] += io->scsiio.kern_total_len;
lun->stats.operations[type] ++;
Modified: head/sys/cam/ctl/ctl_ioctl.h
==============================================================================
--- head/sys/cam/ctl/ctl_ioctl.h Sat Feb 23 00:00:49 2019
(r344479)
+++ head/sys/cam/ctl/ctl_ioctl.h Sat Feb 23 04:24:44 2019
(r344480)
@@ -69,9 +69,6 @@
/* Hopefully this won't conflict with new misc devices that pop up */
#define CTL_MINOR 225
-/* Legacy statistics accumulated for every port for every LU. */
-//#define CTL_LEGACY_STATS 1
-
typedef enum {
CTL_DELAY_TYPE_NONE,
CTL_DELAY_TYPE_CONT,
@@ -119,39 +116,6 @@ typedef enum {
CTL_STATS_FLAG_TIME_VALID = 0x01
} ctl_stats_flags;
-#ifdef CTL_LEGACY_STATS
-typedef enum {
- CTL_LUN_STATS_NO_BLOCKSIZE = 0x01
-} ctl_lun_stats_flags;
-
-struct ctl_lun_io_port_stats {
- uint32_t targ_port;
- uint64_t bytes[CTL_STATS_NUM_TYPES];
- uint64_t operations[CTL_STATS_NUM_TYPES];
- struct bintime time[CTL_STATS_NUM_TYPES];
- uint64_t num_dmas[CTL_STATS_NUM_TYPES];
- struct bintime dma_time[CTL_STATS_NUM_TYPES];
-};
-
-struct ctl_lun_io_stats {
- uint8_t device_type;
- uint64_t lun_number;
- uint32_t blocksize;
- ctl_lun_stats_flags flags;
- struct ctl_lun_io_port_stats *ports;
-};
-
-struct ctl_stats {
- int alloc_len; /* passed to kernel */
- struct ctl_lun_io_stats *lun_stats; /* passed to/from kernel */
- int fill_len; /* passed to userland */
- int num_luns; /* passed to userland */
- ctl_stats_status status; /* passed to userland */
- ctl_stats_flags flags; /* passed to userland */
- struct timespec timestamp; /* passed to userland */
-};
-#endif /* CTL_LEGACY_STATS */
-
struct ctl_io_stats {
uint32_t item;
uint64_t bytes[CTL_STATS_NUM_TYPES];
@@ -795,7 +759,6 @@ struct ctl_lun_map {
#define CTL_ENABLE_PORT _IOW(CTL_MINOR, 0x04, struct
ctl_port_entry)
#define CTL_DISABLE_PORT _IOW(CTL_MINOR, 0x05, struct
ctl_port_entry)
#define CTL_DELAY_IO _IOWR(CTL_MINOR, 0x10, struct
ctl_io_delay_info)
-#define CTL_GETSTATS _IOWR(CTL_MINOR, 0x15, struct ctl_stats)
#define CTL_ERROR_INJECT _IOWR(CTL_MINOR, 0x16, struct
ctl_error_desc)
#define CTL_GET_OOA _IOWR(CTL_MINOR, 0x18, struct ctl_ooa)
#define CTL_DUMP_STRUCTS _IO(CTL_MINOR, 0x19)
Modified: head/sys/cam/ctl/ctl_private.h
==============================================================================
--- head/sys/cam/ctl/ctl_private.h Sat Feb 23 00:00:49 2019
(r344479)
+++ head/sys/cam/ctl/ctl_private.h Sat Feb 23 04:24:44 2019
(r344480)
@@ -403,9 +403,6 @@ struct ctl_lun {
struct callout ie_callout; /* INTERVAL TIMER */
struct ctl_mode_pages mode_pages;
struct ctl_log_pages log_pages;
-#ifdef CTL_LEGACY_STATS
- struct ctl_lun_io_stats legacy_stats;
-#endif /* CTL_LEGACY_STATS */
struct ctl_io_stats stats;
uint32_t res_idx;
uint32_t pr_generation;
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