10 files changed, 603 insertions, 11 deletions

diff --git a/include/trace/define_trace.h b/include/trace/define_trace.h
index b0b4eb24d592..da39b22636f7 100644
--- a/include/trace/define_trace.h
+++ b/include/trace/define_trace.h
@@ -21,6 +21,16 @@
 #undef CREATE_TRACE_POINTS
 
 #include <linux/stringify.h>
+/*
+ * module.h includes tracepoints, and because ftrace.h
+ * pulls in module.h:
+ *  trace/ftrace.h -> linux/ftrace_event.h -> linux/perf_event.h ->
+ *  linux/ftrace.h -> linux/module.h
+ * we must include module.h here before we play with any of
+ * the TRACE_EVENT() macros, otherwise the tracepoints included
+ * by module.h may break the build.
+ */
+#include <linux/module.h>
 
 #undef TRACE_EVENT
 #define TRACE_EVENT(name, proto, args, tstruct, assign, print)  \
diff --git a/include/trace/events/asoc.h b/include/trace/events/asoc.h
new file mode 100644
index 000000000000..186e84db4b54
--- /dev/null
+++ b/include/trace/events/asoc.h
@@ -0,0 +1,235 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM asoc
+
+#if !defined(_TRACE_ASOC_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_ASOC_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+
+struct snd_soc_jack;
+struct snd_soc_codec;
+struct snd_soc_card;
+struct snd_soc_dapm_widget;
+
+/*
+ * Log register events
+ */
+DECLARE_EVENT_CLASS(snd_soc_reg,
+
+        TP_PROTO(struct snd_soc_codec *codec, unsigned int reg,
+                 unsigned int val),
+
+        TP_ARGS(codec, reg, val),
+
+        TP_STRUCT__entry(
+                __string(       name,           codec->name     )
+                __field(        int,            id              )
+                __field(        unsigned int,   reg             )
+                __field(        unsigned int,   val             )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, codec->name);
+                __entry->id = codec->id;
+                __entry->reg = reg;
+                __entry->val = val;
+        ),
+
+        TP_printk("codec=%s.%d reg=%x val=%x", __get_str(name),
+                  (int)__entry->id, (unsigned int)__entry->reg,
+                  (unsigned int)__entry->val)
+);
+
+DEFINE_EVENT(snd_soc_reg, snd_soc_reg_write,
+
+        TP_PROTO(struct snd_soc_codec *codec, unsigned int reg,
+                 unsigned int val),
+
+        TP_ARGS(codec, reg, val)
+
+);
+
+DEFINE_EVENT(snd_soc_reg, snd_soc_reg_read,
+
+        TP_PROTO(struct snd_soc_codec *codec, unsigned int reg,
+                 unsigned int val),
+
+        TP_ARGS(codec, reg, val)
+
+);
+
+DECLARE_EVENT_CLASS(snd_soc_card,
+
+        TP_PROTO(struct snd_soc_card *card, int val),
+
+        TP_ARGS(card, val),
+
+        TP_STRUCT__entry(
+                __string(       name,           card->name      )
+                __field(        int,            val             )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, card->name);
+                __entry->val = val;
+        ),
+
+        TP_printk("card=%s val=%d", __get_str(name), (int)__entry->val)
+);
+
+DEFINE_EVENT(snd_soc_card, snd_soc_bias_level_start,
+
+        TP_PROTO(struct snd_soc_card *card, int val),
+
+        TP_ARGS(card, val)
+
+);
+
+DEFINE_EVENT(snd_soc_card, snd_soc_bias_level_done,
+
+        TP_PROTO(struct snd_soc_card *card, int val),
+
+        TP_ARGS(card, val)
+
+);
+
+DECLARE_EVENT_CLASS(snd_soc_dapm_basic,
+
+        TP_PROTO(struct snd_soc_card *card),
+
+        TP_ARGS(card),
+
+        TP_STRUCT__entry(
+                __string(       name,   card->name      )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, card->name);
+        ),
+
+        TP_printk("card=%s", __get_str(name))
+);
+
+DEFINE_EVENT(snd_soc_dapm_basic, snd_soc_dapm_start,
+
+        TP_PROTO(struct snd_soc_card *card),
+
+        TP_ARGS(card)
+
+);
+
+DEFINE_EVENT(snd_soc_dapm_basic, snd_soc_dapm_done,
+
+        TP_PROTO(struct snd_soc_card *card),
+
+        TP_ARGS(card)
+
+);
+
+DECLARE_EVENT_CLASS(snd_soc_dapm_widget,
+
+        TP_PROTO(struct snd_soc_dapm_widget *w, int val),
+
+        TP_ARGS(w, val),
+
+        TP_STRUCT__entry(
+                __string(       name,   w->name         )
+                __field(        int,    val             )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, w->name);
+                __entry->val = val;
+        ),
+
+        TP_printk("widget=%s val=%d", __get_str(name),
+                  (int)__entry->val)
+);
+
+DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_power,
+
+        TP_PROTO(struct snd_soc_dapm_widget *w, int val),
+
+        TP_ARGS(w, val)
+
+);
+
+DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_event_start,
+
+        TP_PROTO(struct snd_soc_dapm_widget *w, int val),
+
+        TP_ARGS(w, val)
+
+);
+
+DEFINE_EVENT(snd_soc_dapm_widget, snd_soc_dapm_widget_event_done,
+
+        TP_PROTO(struct snd_soc_dapm_widget *w, int val),
+
+        TP_ARGS(w, val)
+
+);
+
+TRACE_EVENT(snd_soc_jack_irq,
+
+        TP_PROTO(const char *name),
+
+        TP_ARGS(name),
+
+        TP_STRUCT__entry(
+                __string(       name,   name            )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, name);
+        ),
+
+        TP_printk("%s", __get_str(name))
+);
+
+TRACE_EVENT(snd_soc_jack_report,
+
+        TP_PROTO(struct snd_soc_jack *jack, int mask, int val),
+
+        TP_ARGS(jack, mask, val),
+
+        TP_STRUCT__entry(
+                __string(       name,           jack->jack->name        )
+                __field(        int,            mask                    )
+                __field(        int,            val                     )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, jack->jack->name);
+                __entry->mask = mask;
+                __entry->val = val;
+        ),
+
+        TP_printk("jack=%s %x/%x", __get_str(name), (int)__entry->val,
+                  (int)__entry->mask)
+);
+
+TRACE_EVENT(snd_soc_jack_notify,
+
+        TP_PROTO(struct snd_soc_jack *jack, int val),
+
+        TP_ARGS(jack, val),
+
+        TP_STRUCT__entry(
+                __string(       name,           jack->jack->name        )
+                __field(        int,            val                     )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, jack->jack->name);
+                __entry->val = val;
+        ),
+
+        TP_printk("jack=%s %x", __get_str(name), (int)__entry->val)
+);
+
+#endif /* _TRACE_ASOC_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index d8ce278515c3..aba421d68f6f 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -206,15 +206,16 @@ TRACE_EVENT(block_bio_bounce,
  * block_bio_complete - completed all work on the block operation
  * @q: queue holding the block operation
  * @bio: block operation completed
+ * @error: io error value
  *
  * This tracepoint indicates there is no further work to do on this
  * block IO operation @bio.
  */
 TRACE_EVENT(block_bio_complete,
 
-        TP_PROTO(struct request_queue *q, struct bio *bio),
+        TP_PROTO(struct request_queue *q, struct bio *bio, int error),
 
-        TP_ARGS(q, bio),
+        TP_ARGS(q, bio, error),
 
         TP_STRUCT__entry(
                 __field( dev_t,         dev             )
@@ -228,6 +229,7 @@ TRACE_EVENT(block_bio_complete,
                 __entry->dev            = bio->bi_bdev->bd_dev;
                 __entry->sector         = bio->bi_sector;
                 __entry->nr_sector      = bio->bi_size >> 9;
+                __entry->error          = error;
                 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
         ),
 
@@ -486,16 +488,16 @@ TRACE_EVENT(block_split,
 );
 
 /**
- * block_remap - map request for a partition to the raw device
+ * block_bio_remap - map request for a logical device to the raw device
  * @q: queue holding the operation
  * @bio: revised operation
  * @dev: device for the operation
  * @from: original sector for the operation
  *
- * An operation for a partition on a block device has been mapped to the
+ * An operation for a logical device has been mapped to the
  * raw block device.
  */
-TRACE_EVENT(block_remap,
+TRACE_EVENT(block_bio_remap,
 
         TP_PROTO(struct request_queue *q, struct bio *bio, dev_t dev,
                  sector_t from),
diff --git a/include/trace/events/compaction.h b/include/trace/events/compaction.h
new file mode 100644
index 000000000000..388bcdd26d46
--- /dev/null
+++ b/include/trace/events/compaction.h
@@ -0,0 +1,74 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM compaction
+
+#if !defined(_TRACE_COMPACTION_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_COMPACTION_H
+
+#include <linux/types.h>
+#include <linux/tracepoint.h>
+#include "gfpflags.h"
+
+DECLARE_EVENT_CLASS(mm_compaction_isolate_template,
+
+        TP_PROTO(unsigned long nr_scanned,
+                unsigned long nr_taken),
+
+        TP_ARGS(nr_scanned, nr_taken),
+
+        TP_STRUCT__entry(
+                __field(unsigned long, nr_scanned)
+                __field(unsigned long, nr_taken)
+        ),
+
+        TP_fast_assign(
+                __entry->nr_scanned = nr_scanned;
+                __entry->nr_taken = nr_taken;
+        ),
+
+        TP_printk("nr_scanned=%lu nr_taken=%lu",
+                __entry->nr_scanned,
+                __entry->nr_taken)
+);
+
+DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_migratepages,
+
+        TP_PROTO(unsigned long nr_scanned,
+                unsigned long nr_taken),
+
+        TP_ARGS(nr_scanned, nr_taken)
+);
+
+DEFINE_EVENT(mm_compaction_isolate_template, mm_compaction_isolate_freepages,
+        TP_PROTO(unsigned long nr_scanned,
+                unsigned long nr_taken),
+
+        TP_ARGS(nr_scanned, nr_taken)
+);
+
+TRACE_EVENT(mm_compaction_migratepages,
+
+        TP_PROTO(unsigned long nr_migrated,
+                unsigned long nr_failed),
+
+        TP_ARGS(nr_migrated, nr_failed),
+
+        TP_STRUCT__entry(
+                __field(unsigned long, nr_migrated)
+                __field(unsigned long, nr_failed)
+        ),
+
+        TP_fast_assign(
+                __entry->nr_migrated = nr_migrated;
+                __entry->nr_failed = nr_failed;
+        ),
+
+        TP_printk("nr_migrated=%lu nr_failed=%lu",
+                __entry->nr_migrated,
+                __entry->nr_failed)
+);
+
+
+#endif /* _TRACE_COMPACTION_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
index 6dd3a51ab1cb..46e3cd8e197a 100644
--- a/include/trace/events/kvm.h
+++ b/include/trace/events/kvm.h
@@ -6,6 +6,36 @@
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM kvm
 
+#define ERSN(x) { KVM_EXIT_##x, "KVM_EXIT_" #x }
+
+#define kvm_trace_exit_reason                                           \
+        ERSN(UNKNOWN), ERSN(EXCEPTION), ERSN(IO), ERSN(HYPERCALL),      \
+        ERSN(DEBUG), ERSN(HLT), ERSN(MMIO), ERSN(IRQ_WINDOW_OPEN),      \
+        ERSN(SHUTDOWN), ERSN(FAIL_ENTRY), ERSN(INTR), ERSN(SET_TPR),    \
+        ERSN(TPR_ACCESS), ERSN(S390_SIEIC), ERSN(S390_RESET), ERSN(DCR),\
+        ERSN(NMI), ERSN(INTERNAL_ERROR), ERSN(OSI)
+
+TRACE_EVENT(kvm_userspace_exit,
+            TP_PROTO(__u32 reason, int errno),
+            TP_ARGS(reason, errno),
+
+        TP_STRUCT__entry(
+                __field(        __u32,          reason          )
+                __field(        int,            errno           )
+        ),
+
+        TP_fast_assign(
+                __entry->reason         = reason;
+                __entry->errno          = errno;
+        ),
+
+        TP_printk("reason %s (%d)",
+                  __entry->errno < 0 ?
+                  (__entry->errno == -EINTR ? "restart" : "error") :
+                  __print_symbolic(__entry->reason, kvm_trace_exit_reason),
+                  __entry->errno < 0 ? -__entry->errno : __entry->reason)
+);
+
 #if defined(__KVM_HAVE_IOAPIC)
 TRACE_EVENT(kvm_set_irq,
         TP_PROTO(unsigned int gsi, int level, int irq_source_id),
@@ -185,6 +215,97 @@ TRACE_EVENT(kvm_age_page,
                   __entry->referenced ? "YOUNG" : "OLD")
 );
 
+#ifdef CONFIG_KVM_ASYNC_PF
+DECLARE_EVENT_CLASS(kvm_async_get_page_class,
+
+        TP_PROTO(u64 gva, u64 gfn),
+
+        TP_ARGS(gva, gfn),
+
+        TP_STRUCT__entry(
+                __field(__u64, gva)
+                __field(u64, gfn)
+        ),
+
+        TP_fast_assign(
+                __entry->gva = gva;
+                __entry->gfn = gfn;
+        ),
+
+        TP_printk("gva = %#llx, gfn = %#llx", __entry->gva, __entry->gfn)
+);
+
+DEFINE_EVENT(kvm_async_get_page_class, kvm_try_async_get_page,
+
+        TP_PROTO(u64 gva, u64 gfn),
+
+        TP_ARGS(gva, gfn)
+);
+
+DEFINE_EVENT(kvm_async_get_page_class, kvm_async_pf_doublefault,
+
+        TP_PROTO(u64 gva, u64 gfn),
+
+        TP_ARGS(gva, gfn)
+);
+
+DECLARE_EVENT_CLASS(kvm_async_pf_nopresent_ready,
+
+        TP_PROTO(u64 token, u64 gva),
+
+        TP_ARGS(token, gva),
+
+        TP_STRUCT__entry(
+                __field(__u64, token)
+                __field(__u64, gva)
+        ),
+
+        TP_fast_assign(
+                __entry->token = token;
+                __entry->gva = gva;
+        ),
+
+        TP_printk("token %#llx gva %#llx", __entry->token, __entry->gva)
+
+);
+
+DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_not_present,
+
+        TP_PROTO(u64 token, u64 gva),
+
+        TP_ARGS(token, gva)
+);
+
+DEFINE_EVENT(kvm_async_pf_nopresent_ready, kvm_async_pf_ready,
+
+        TP_PROTO(u64 token, u64 gva),
+
+        TP_ARGS(token, gva)
+);
+
+TRACE_EVENT(
+        kvm_async_pf_completed,
+        TP_PROTO(unsigned long address, struct page *page, u64 gva),
+        TP_ARGS(address, page, gva),
+
+        TP_STRUCT__entry(
+                __field(unsigned long, address)
+                __field(pfn_t, pfn)
+                __field(u64, gva)
+                ),
+
+        TP_fast_assign(
+                __entry->address = address;
+                __entry->pfn = page ? page_to_pfn(page) : 0;
+                __entry->gva = gva;
+                ),
+
+        TP_printk("gva %#llx address %#lx pfn %#llx",  __entry->gva,
+                  __entry->address, __entry->pfn)
+);
+
+#endif
+
 #endif /* _TRACE_KVM_MAIN_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/events/module.h b/include/trace/events/module.h
index c7bb2f0482fe..c6bae36547e5 100644
--- a/include/trace/events/module.h
+++ b/include/trace/events/module.h
@@ -1,5 +1,15 @@
+/*
+ * Because linux/module.h has tracepoints in the header, and ftrace.h
+ * eventually includes this file, define_trace.h includes linux/module.h
+ * But we do not want the module.h to override the TRACE_SYSTEM macro
+ * variable that define_trace.h is processing, so we only set it
+ * when module events are being processed, which would happen when
+ * CREATE_TRACE_POINTS is defined.
+ */
+#ifdef CREATE_TRACE_POINTS
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM module
+#endif
 
 #if !defined(_TRACE_MODULE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _TRACE_MODULE_H
diff --git a/include/trace/events/regulator.h b/include/trace/events/regulator.h
new file mode 100644
index 000000000000..37502a7404b7
--- /dev/null
+++ b/include/trace/events/regulator.h
@@ -0,0 +1,141 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM regulator
+
+#if !defined(_TRACE_REGULATOR_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_REGULATOR_H
+
+#include <linux/ktime.h>
+#include <linux/tracepoint.h>
+
+/*
+ * Events which just log themselves and the regulator name for enable/disable
+ * type tracking.
+ */
+DECLARE_EVENT_CLASS(regulator_basic,
+
+        TP_PROTO(const char *name),
+
+        TP_ARGS(name),
+
+        TP_STRUCT__entry(
+                __string(       name,   name    )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, name);
+        ),
+
+        TP_printk("name=%s", __get_str(name))
+
+);
+
+DEFINE_EVENT(regulator_basic, regulator_enable,
+
+        TP_PROTO(const char *name),
+
+        TP_ARGS(name)
+
+);
+
+DEFINE_EVENT(regulator_basic, regulator_enable_delay,
+
+        TP_PROTO(const char *name),
+
+        TP_ARGS(name)
+
+);
+
+DEFINE_EVENT(regulator_basic, regulator_enable_complete,
+
+        TP_PROTO(const char *name),
+
+        TP_ARGS(name)
+
+);
+
+DEFINE_EVENT(regulator_basic, regulator_disable,
+
+        TP_PROTO(const char *name),
+
+        TP_ARGS(name)
+
+);
+
+DEFINE_EVENT(regulator_basic, regulator_disable_complete,
+
+        TP_PROTO(const char *name),
+
+        TP_ARGS(name)
+
+);
+
+/*
+ * Events that take a range of numerical values, mostly for voltages
+ * and so on.
+ */
+DECLARE_EVENT_CLASS(regulator_range,
+
+        TP_PROTO(const char *name, int min, int max),
+
+        TP_ARGS(name, min, max),
+
+        TP_STRUCT__entry(
+                __string(       name,           name            )
+                __field(        int,            min             )
+                __field(        int,            max             )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, name);
+                __entry->min  = min;
+                __entry->max  = max;
+        ),
+
+        TP_printk("name=%s (%d-%d)", __get_str(name),
+                  (int)__entry->min, (int)__entry->max)
+);
+
+DEFINE_EVENT(regulator_range, regulator_set_voltage,
+
+        TP_PROTO(const char *name, int min, int max),
+
+        TP_ARGS(name, min, max)
+
+);
+
+
+/*
+ * Events that take a single value, mostly for readback and refcounts.
+ */
+DECLARE_EVENT_CLASS(regulator_value,
+
+        TP_PROTO(const char *name, unsigned int val),
+
+        TP_ARGS(name, val),
+
+        TP_STRUCT__entry(
+                __string(       name,           name            )
+                __field(        unsigned int,   val             )
+        ),
+
+        TP_fast_assign(
+                __assign_str(name, name);
+                __entry->val  = val;
+        ),
+
+        TP_printk("name=%s, val=%u", __get_str(name),
+                  (int)__entry->val)
+);
+
+DEFINE_EVENT(regulator_value, regulator_set_voltage_complete,
+
+        TP_PROTO(const char *name, unsigned int value),
+
+        TP_ARGS(name, value)
+
+);
+
+#endif /* _TRACE_POWER_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/skb.h b/include/trace/events/skb.h
index 75ce9d500d8e..f10293c41b1e 100644
--- a/include/trace/events/skb.h
+++ b/include/trace/events/skb.h
@@ -25,9 +25,7 @@ TRACE_EVENT(kfree_skb,
 
         TP_fast_assign(
                 __entry->skbaddr = skb;
-                if (skb) {
-                        __entry->protocol = ntohs(skb->protocol);
-                }
+                __entry->protocol = ntohs(skb->protocol);
                 __entry->location = location;
         ),
 
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index c255fcc587bf..ea422aaa23e1 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -25,13 +25,13 @@
 
 #define trace_reclaim_flags(page, sync) ( \
         (page_is_file_cache(page) ? RECLAIM_WB_FILE : RECLAIM_WB_ANON) | \
-        (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC)   \
+        (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC)   \
         )
 
 #define trace_shrink_flags(file, sync) ( \
-        (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_MIXED : \
+        (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_MIXED : \
                         (file ? RECLAIM_WB_FILE : RECLAIM_WB_ANON)) |  \
-        (sync == LUMPY_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
+        (sync & RECLAIM_MODE_SYNC ? RECLAIM_WB_SYNC : RECLAIM_WB_ASYNC) \
         )
 
 TRACE_EVENT(mm_vmscan_kswapd_sleep,
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 89a2b2db4375..4e249b927eaa 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -81,6 +81,7 @@ DEFINE_EVENT(writeback_class, name, \
         TP_ARGS(bdi))
 
 DEFINE_WRITEBACK_EVENT(writeback_nowork);
+DEFINE_WRITEBACK_EVENT(writeback_wake_background);
 DEFINE_WRITEBACK_EVENT(writeback_wake_thread);
 DEFINE_WRITEBACK_EVENT(writeback_wake_forker_thread);
 DEFINE_WRITEBACK_EVENT(writeback_bdi_register);