This allows the perf tool to map samples to each individual translation
block. This could be expanded for user space but currently it gives
enough information to find any hotblocks by other means.
Signed-off-by: Alex Bennée
---
v2:
- hoist up into translate-all.c
- don't use pointless glib
Richard Henderson writes:
> On 07/11/2014 09:43 AM, Alex Bennée wrote:
>> +/* if I could put this in a header easily */
>> +void tb_enable_perfmap(void);
>
> How about next to tb_flush in exec/exec-all.h?
Including exec/exec-all.h trips up some sort of include prevention
magic:
CCvl.o
On 07/11/2014 09:43 AM, Alex Bennée wrote:
> +/* if I could put this in a header easily */
> +void tb_enable_perfmap(void);
How about next to tb_flush in exec/exec-all.h?
> +
> +void tb_enable_perfmap(void) {
Watch the { placement.
> +gchar * map_file = g_strdup_printf("/tmp/perf-%d.map
This allows the perf tool to map samples to each individual translation
block. This could be expanded for user space but currently it gives
enough information to find any hotblocks by other means.
Signed-off-by: Alex Bennée
---
v2:
- hoist up into translate-all.c
- don't use pointless glib
