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| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-22 17:12:37 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2008-07-22 17:12:37 +1000 |
| commit | 8725f25acc656c1522d48a6746055099efdaca4c (patch) | |
| tree | e241424fa58178ed6c2a95a4eb931ea83dbea33c /virt/kvm/kvm_trace.c | |
| parent | c69cccc95fe4b90dde5fe33e6a3b77880b534fa4 (diff) | |
| parent | 93ded9b8fd42abe2c3607097963d8de6ad9117eb (diff) | |
| download | kernel-crypto-8725f25acc656c1522d48a6746055099efdaca4c.tar.gz kernel-crypto-8725f25acc656c1522d48a6746055099efdaca4c.tar.xz kernel-crypto-8725f25acc656c1522d48a6746055099efdaca4c.zip | |
Merge commit 'origin/master'
Manually fixed up:
drivers/net/fs_enet/fs_enet-main.c
Diffstat (limited to 'virt/kvm/kvm_trace.c')
| -rw-r--r-- | virt/kvm/kvm_trace.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/virt/kvm/kvm_trace.c b/virt/kvm/kvm_trace.c index 0e495470788..58141f31ea8 100644 --- a/virt/kvm/kvm_trace.c +++ b/virt/kvm/kvm_trace.c @@ -72,11 +72,7 @@ static void kvm_add_trace(void *probe_private, void *call_data, rec.cycle_in = p->cycle_in; if (rec.cycle_in) { - u64 cycle = 0; - - cycle = get_cycles(); - rec.u.cycle.cycle_lo = (u32)cycle; - rec.u.cycle.cycle_hi = (u32)(cycle >> 32); + rec.u.cycle.cycle_u64 = get_cycles(); for (i = 0; i < rec.extra_u32; i++) rec.u.cycle.extra_u32[i] = va_arg(*args, u32); @@ -114,8 +110,18 @@ static int kvm_subbuf_start_callback(struct rchan_buf *buf, void *subbuf, { struct kvm_trace *kt; - if (!relay_buf_full(buf)) + if (!relay_buf_full(buf)) { + if (!prev_subbuf) { + /* + * executed only once when the channel is opened + * save metadata as first record + */ + subbuf_start_reserve(buf, sizeof(u32)); + *(u32 *)subbuf = 0x12345678; + } + return 1; + } kt = buf->chan->private_data; atomic_inc(&kt->lost_records); |