diff options
author | Peter Maydell <peter.maydell@linaro.org> | 2016-03-14 16:22:17 +0000 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2016-03-14 16:22:17 +0000 |
commit | 618a5a8bc52ba0f2ecbb3dffd01e657f4d841f75 (patch) | |
tree | a3980391e418a9789d3168a1b4a22c03c81f7425 /memory.c | |
parent | 6dcea614251e01d99c352056baffed6b39bd4b26 (diff) | |
parent | f2d089425d43735b5369f70f3a36b712440578e5 (diff) |
Merge remote-tracking branch 'remotes/stefanha/tags/tracing-pull-request' into staging
# gpg: Signature made Mon 14 Mar 2016 11:27:01 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg: aka "Stefan Hajnoczi <stefanha@gmail.com>"
* remotes/stefanha/tags/tracing-pull-request:
trace: separate MMIO tracepoints from TB-access tracepoints
trace: include CPU index in trace_memory_region_*()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'memory.c')
-rw-r--r-- | memory.c | 62 |
1 files changed, 50 insertions, 12 deletions
@@ -386,6 +386,14 @@ static hwaddr memory_region_to_absolute_addr(MemoryRegion *mr, hwaddr offset) return abs_addr; } +static int get_cpu_index(void) +{ + if (current_cpu) { + return current_cpu->cpu_index; + } + return -1; +} + static MemTxResult memory_region_oldmmio_read_accessor(MemoryRegion *mr, hwaddr addr, uint64_t *value, @@ -398,10 +406,15 @@ static MemTxResult memory_region_oldmmio_read_accessor(MemoryRegion *mr, tmp = mr->ops->old_mmio.read[ctz32(size)](mr->opaque, addr); if (mr->subpage) { - trace_memory_region_subpage_read(mr, addr, tmp, size); + trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size); + } else if (mr == &io_mem_notdirty) { + /* Accesses to code which has previously been translated into a TB show + * up in the MMIO path, as accesses to the io_mem_notdirty + * MemoryRegion. */ + trace_memory_region_tb_read(get_cpu_index(), addr, tmp, size); } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); - trace_memory_region_ops_read(mr, abs_addr, tmp, size); + trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size); } *value |= (tmp & mask) << shift; return MEMTX_OK; @@ -419,10 +432,15 @@ static MemTxResult memory_region_read_accessor(MemoryRegion *mr, tmp = mr->ops->read(mr->opaque, addr, size); if (mr->subpage) { - trace_memory_region_subpage_read(mr, addr, tmp, size); + trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size); + } else if (mr == &io_mem_notdirty) { + /* Accesses to code which has previously been translated into a TB show + * up in the MMIO path, as accesses to the io_mem_notdirty + * MemoryRegion. */ + trace_memory_region_tb_read(get_cpu_index(), addr, tmp, size); } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); - trace_memory_region_ops_read(mr, abs_addr, tmp, size); + trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size); } *value |= (tmp & mask) << shift; return MEMTX_OK; @@ -441,10 +459,15 @@ static MemTxResult memory_region_read_with_attrs_accessor(MemoryRegion *mr, r = mr->ops->read_with_attrs(mr->opaque, addr, &tmp, size, attrs); if (mr->subpage) { - trace_memory_region_subpage_read(mr, addr, tmp, size); + trace_memory_region_subpage_read(get_cpu_index(), mr, addr, tmp, size); + } else if (mr == &io_mem_notdirty) { + /* Accesses to code which has previously been translated into a TB show + * up in the MMIO path, as accesses to the io_mem_notdirty + * MemoryRegion. */ + trace_memory_region_tb_read(get_cpu_index(), addr, tmp, size); } else if (TRACE_MEMORY_REGION_OPS_READ_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); - trace_memory_region_ops_read(mr, abs_addr, tmp, size); + trace_memory_region_ops_read(get_cpu_index(), mr, abs_addr, tmp, size); } *value |= (tmp & mask) << shift; return r; @@ -462,10 +485,15 @@ static MemTxResult memory_region_oldmmio_write_accessor(MemoryRegion *mr, tmp = (*value >> shift) & mask; if (mr->subpage) { - trace_memory_region_subpage_write(mr, addr, tmp, size); + trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size); + } else if (mr == &io_mem_notdirty) { + /* Accesses to code which has previously been translated into a TB show + * up in the MMIO path, as accesses to the io_mem_notdirty + * MemoryRegion. */ + trace_memory_region_tb_write(get_cpu_index(), addr, tmp, size); } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); - trace_memory_region_ops_write(mr, abs_addr, tmp, size); + trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size); } mr->ops->old_mmio.write[ctz32(size)](mr->opaque, addr, tmp); return MEMTX_OK; @@ -483,10 +511,15 @@ static MemTxResult memory_region_write_accessor(MemoryRegion *mr, tmp = (*value >> shift) & mask; if (mr->subpage) { - trace_memory_region_subpage_write(mr, addr, tmp, size); + trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size); + } else if (mr == &io_mem_notdirty) { + /* Accesses to code which has previously been translated into a TB show + * up in the MMIO path, as accesses to the io_mem_notdirty + * MemoryRegion. */ + trace_memory_region_tb_write(get_cpu_index(), addr, tmp, size); } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); - trace_memory_region_ops_write(mr, abs_addr, tmp, size); + trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size); } mr->ops->write(mr->opaque, addr, tmp, size); return MEMTX_OK; @@ -504,10 +537,15 @@ static MemTxResult memory_region_write_with_attrs_accessor(MemoryRegion *mr, tmp = (*value >> shift) & mask; if (mr->subpage) { - trace_memory_region_subpage_write(mr, addr, tmp, size); + trace_memory_region_subpage_write(get_cpu_index(), mr, addr, tmp, size); + } else if (mr == &io_mem_notdirty) { + /* Accesses to code which has previously been translated into a TB show + * up in the MMIO path, as accesses to the io_mem_notdirty + * MemoryRegion. */ + trace_memory_region_tb_write(get_cpu_index(), addr, tmp, size); } else if (TRACE_MEMORY_REGION_OPS_WRITE_ENABLED) { hwaddr abs_addr = memory_region_to_absolute_addr(mr, addr); - trace_memory_region_ops_write(mr, abs_addr, tmp, size); + trace_memory_region_ops_write(get_cpu_index(), mr, abs_addr, tmp, size); } return mr->ops->write_with_attrs(mr->opaque, addr, tmp, size, attrs); } |