Merge branch 'linus' into perfcounters/core

Merge reason: Bring in tracing changes we depend on.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

6 files changed, 191 insertions, 19 deletions

diff --git a/include/trace/events/block.h b/include/trace/events/block.h
index 9a74b468a229..d86af94691c2 100644
--- a/include/trace/events/block.h
+++ b/include/trace/events/block.h
@@ -171,6 +171,7 @@ TRACE_EVENT(block_rq_complete,
                   (unsigned long long)__entry->sector,
                   __entry->nr_sector, __entry->errors)
 );
+
 TRACE_EVENT(block_bio_bounce,
 
         TP_PROTO(struct request_queue *q, struct bio *bio),
@@ -186,7 +187,8 @@ TRACE_EVENT(block_bio_bounce,
         ),
 
         TP_fast_assign(
-                __entry->dev            = bio->bi_bdev->bd_dev;
+                __entry->dev            = bio->bi_bdev ?
+                                          bio->bi_bdev->bd_dev : 0;
                 __entry->sector         = bio->bi_sector;
                 __entry->nr_sector      = bio->bi_size >> 9;
                 blk_fill_rwbs(__entry->rwbs, bio->bi_rw, bio->bi_size);
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 7d8b5bc74185..8d433c4e3709 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -227,7 +227,6 @@ TRACE_EVENT(ext4_da_writepages,
                 __field(        char,   nonblocking             )
                 __field(        char,   for_kupdate             )
                 __field(        char,   for_reclaim             )
-                __field(        char,   for_writepages          )
                 __field(        char,   range_cyclic            )
         ),
 
@@ -241,16 +240,15 @@ TRACE_EVENT(ext4_da_writepages,
                 __entry->nonblocking    = wbc->nonblocking;
                 __entry->for_kupdate    = wbc->for_kupdate;
                 __entry->for_reclaim    = wbc->for_reclaim;
-                __entry->for_writepages = wbc->for_writepages;
                 __entry->range_cyclic   = wbc->range_cyclic;
         ),
 
-        TP_printk("dev %s ino %lu nr_t_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d for_writepages %d range_cyclic %d",
+        TP_printk("dev %s ino %lu nr_t_write %ld pages_skipped %ld range_start %llu range_end %llu nonblocking %d for_kupdate %d for_reclaim %d range_cyclic %d",
                   jbd2_dev_to_name(__entry->dev), __entry->ino, __entry->nr_to_write,
                   __entry->pages_skipped, __entry->range_start,
                   __entry->range_end, __entry->nonblocking,
                   __entry->for_kupdate, __entry->for_reclaim,
-                  __entry->for_writepages, __entry->range_cyclic)
+                  __entry->range_cyclic)
 );
 
 TRACE_EVENT(ext4_da_writepages_result,
diff --git a/include/trace/events/irq.h b/include/trace/events/irq.h
index 1cb0c3aa11e6..b89f9db4a404 100644
--- a/include/trace/events/irq.h
+++ b/include/trace/events/irq.h
@@ -8,16 +8,17 @@
 #include <linux/interrupt.h>
 
 #define softirq_name(sirq) { sirq##_SOFTIRQ, #sirq }
-#define show_softirq_name(val)                  \
-        __print_symbolic(val,                   \
-                         softirq_name(HI),      \
-                         softirq_name(TIMER),   \
-                         softirq_name(NET_TX),  \
-                         softirq_name(NET_RX),  \
-                         softirq_name(BLOCK),   \
-                         softirq_name(TASKLET), \
-                         softirq_name(SCHED),   \
-                         softirq_name(HRTIMER), \
+#define show_softirq_name(val)                          \
+        __print_symbolic(val,                           \
+                         softirq_name(HI),              \
+                         softirq_name(TIMER),           \
+                         softirq_name(NET_TX),          \
+                         softirq_name(NET_RX),          \
+                         softirq_name(BLOCK),           \
+                         softirq_name(BLOCK_IOPOLL),    \
+                         softirq_name(TASKLET),         \
+                         softirq_name(SCHED),           \
+                         softirq_name(HRTIMER),         \
                          softirq_name(RCU))
 
 /**
diff --git a/include/trace/events/kvm.h b/include/trace/events/kvm.h
new file mode 100644
index 000000000000..dbe108455275
--- /dev/null
+++ b/include/trace/events/kvm.h
@@ -0,0 +1,151 @@
+#if !defined(_TRACE_KVM_MAIN_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_KVM_MAIN_H
+
+#include <linux/tracepoint.h>
+
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM kvm
+#define TRACE_INCLUDE_FILE kvm
+
+#if defined(__KVM_HAVE_IOAPIC)
+TRACE_EVENT(kvm_set_irq,
+        TP_PROTO(unsigned int gsi, int level, int irq_source_id),
+        TP_ARGS(gsi, level, irq_source_id),
+
+        TP_STRUCT__entry(
+                __field(        unsigned int,   gsi             )
+                __field(        int,            level           )
+                __field(        int,            irq_source_id   )
+        ),
+
+        TP_fast_assign(
+                __entry->gsi            = gsi;
+                __entry->level          = level;
+                __entry->irq_source_id  = irq_source_id;
+        ),
+
+        TP_printk("gsi %u level %d source %d",
+                  __entry->gsi, __entry->level, __entry->irq_source_id)
+);
+
+#define kvm_deliver_mode                \
+        {0x0, "Fixed"},                 \
+        {0x1, "LowPrio"},               \
+        {0x2, "SMI"},                   \
+        {0x3, "Res3"},                  \
+        {0x4, "NMI"},                   \
+        {0x5, "INIT"},                  \
+        {0x6, "SIPI"},                  \
+        {0x7, "ExtINT"}
+
+TRACE_EVENT(kvm_ioapic_set_irq,
+            TP_PROTO(__u64 e, int pin, bool coalesced),
+            TP_ARGS(e, pin, coalesced),
+
+        TP_STRUCT__entry(
+                __field(        __u64,          e               )
+                __field(        int,            pin             )
+                __field(        bool,           coalesced       )
+        ),
+
+        TP_fast_assign(
+                __entry->e              = e;
+                __entry->pin            = pin;
+                __entry->coalesced      = coalesced;
+        ),
+
+        TP_printk("pin %u dst %x vec=%u (%s|%s|%s%s)%s",
+                  __entry->pin, (u8)(__entry->e >> 56), (u8)__entry->e,
+                  __print_symbolic((__entry->e >> 8 & 0x7), kvm_deliver_mode),
+                  (__entry->e & (1<<11)) ? "logical" : "physical",
+                  (__entry->e & (1<<15)) ? "level" : "edge",
+                  (__entry->e & (1<<16)) ? "|masked" : "",
+                  __entry->coalesced ? " (coalesced)" : "")
+);
+
+TRACE_EVENT(kvm_msi_set_irq,
+            TP_PROTO(__u64 address, __u64 data),
+            TP_ARGS(address, data),
+
+        TP_STRUCT__entry(
+                __field(        __u64,          address         )
+                __field(        __u64,          data            )
+        ),
+
+        TP_fast_assign(
+                __entry->address        = address;
+                __entry->data           = data;
+        ),
+
+        TP_printk("dst %u vec %x (%s|%s|%s%s)",
+                  (u8)(__entry->address >> 12), (u8)__entry->data,
+                  __print_symbolic((__entry->data >> 8 & 0x7), kvm_deliver_mode),
+                  (__entry->address & (1<<2)) ? "logical" : "physical",
+                  (__entry->data & (1<<15)) ? "level" : "edge",
+                  (__entry->address & (1<<3)) ? "|rh" : "")
+);
+
+#define kvm_irqchips                                            \
+        {KVM_IRQCHIP_PIC_MASTER,        "PIC master"},          \
+        {KVM_IRQCHIP_PIC_SLAVE,         "PIC slave"},           \
+        {KVM_IRQCHIP_IOAPIC,            "IOAPIC"}
+
+TRACE_EVENT(kvm_ack_irq,
+        TP_PROTO(unsigned int irqchip, unsigned int pin),
+        TP_ARGS(irqchip, pin),
+
+        TP_STRUCT__entry(
+                __field(        unsigned int,   irqchip         )
+                __field(        unsigned int,   pin             )
+        ),
+
+        TP_fast_assign(
+                __entry->irqchip        = irqchip;
+                __entry->pin            = pin;
+        ),
+
+        TP_printk("irqchip %s pin %u",
+                  __print_symbolic(__entry->irqchip, kvm_irqchips),
+                 __entry->pin)
+);
+
+
+
+#endif /* defined(__KVM_HAVE_IOAPIC) */
+
+#define KVM_TRACE_MMIO_READ_UNSATISFIED 0
+#define KVM_TRACE_MMIO_READ 1
+#define KVM_TRACE_MMIO_WRITE 2
+
+#define kvm_trace_symbol_mmio \
+        { KVM_TRACE_MMIO_READ_UNSATISFIED, "unsatisfied-read" }, \
+        { KVM_TRACE_MMIO_READ, "read" }, \
+        { KVM_TRACE_MMIO_WRITE, "write" }
+
+TRACE_EVENT(kvm_mmio,
+        TP_PROTO(int type, int len, u64 gpa, u64 val),
+        TP_ARGS(type, len, gpa, val),
+
+        TP_STRUCT__entry(
+                __field(        u32,    type            )
+                __field(        u32,    len             )
+                __field(        u64,    gpa             )
+                __field(        u64,    val             )
+        ),
+
+        TP_fast_assign(
+                __entry->type           = type;
+                __entry->len            = len;
+                __entry->gpa            = gpa;
+                __entry->val            = val;
+        ),
+
+        TP_printk("mmio %s len %u gpa 0x%llx val 0x%llx",
+                  __print_symbolic(__entry->type, kvm_trace_symbol_mmio),
+                  __entry->len, __entry->gpa, __entry->val)
+);
+
+#endif /* _TRACE_KVM_MAIN_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 e499863b9669..4b2be6dc76f0 100644
--- a/include/trace/events/skb.h
+++ b/include/trace/events/skb.h
@@ -5,6 +5,7 @@
 #define _TRACE_SKB_H
 
 #include <linux/skbuff.h>
+#include <linux/netdevice.h>
 #include <linux/tracepoint.h>
 
 /*
@@ -34,6 +35,25 @@ TRACE_EVENT(kfree_skb,
                 __entry->skbaddr, __entry->protocol, __entry->location)
 );
 
+TRACE_EVENT(skb_copy_datagram_iovec,
+
+        TP_PROTO(const struct sk_buff *skb, int len),
+
+        TP_ARGS(skb, len),
+
+        TP_STRUCT__entry(
+                __field(        const void *,           skbaddr         )
+                __field(        int,                    len             )
+        ),
+
+        TP_fast_assign(
+                __entry->skbaddr = skb;
+                __entry->len = len;
+        ),
+
+        TP_printk("skbaddr=%p len=%d", __entry->skbaddr, __entry->len)
+);
+
 #endif /* _TRACE_SKB_H */
 
 /* This part must be outside protection */
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 308bafd93325..72a3b437b829 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -239,9 +239,9 @@ ftrace_format_##call(struct ftrace_event_call *unused,			\
 #undef __print_flags
 #define __print_flags(flag, delim, flag_array...)                       \
         ({                                                              \
-                static const struct trace_print_flags flags[] =         \
+                static const struct trace_print_flags __flags[] =       \
                         { flag_array, { -1, NULL }};                    \
-                ftrace_print_flags_seq(p, delim, flag, flags);          \
+                ftrace_print_flags_seq(p, delim, flag, __flags);        \
         })
 
 #undef __print_symbolic
@@ -254,7 +254,7 @@ ftrace_format_##call(struct ftrace_event_call *unused,			\
 
 #undef TRACE_EVENT
 #define TRACE_EVENT(call, proto, args, tstruct, assign, print)          \
-enum print_line_t                                                       \
+static enum print_line_t                                                \
 ftrace_raw_output_##call(struct trace_iterator *iter, int flags)        \
 {                                                                       \
         struct trace_seq *s = &iter->seq;                               \
@@ -317,7 +317,7 @@ ftrace_raw_output_##call(struct trace_iterator *iter, int flags)	\
 
 #undef TRACE_EVENT
 #define TRACE_EVENT(call, proto, args, tstruct, func, print)            \
-int                                                                     \
+static int                                                              \
 ftrace_define_fields_##call(struct ftrace_event_call *event_call)       \
 {                                                                       \
         struct ftrace_raw_##call field;                                 \