On 02/10/2023 15:28, James Clark wrote:
On 29/09/2023 14:37, Linu Cherian wrote:
Add support to use reserved memory for coresight ETR trace buffer.
Introduce a new ETR buffer mode called ETR_MODE_RESRV, which becomes available when ETR device tree node is supplied with a valid reserved memory region.
ETR_MODE_RESRV can be selected only by explicit user request.
$ echo resrv >/sys/bus/coresight/devices/tmc_etr<N>/buf_mode_preferred
Signed-off-by: Anil Kumar Reddy areddy3@marvell.com Signed-off-by: Linu Cherian lcherian@marvell.com
.../hwtracing/coresight/coresight-tmc-core.c | 51 +++++++++++ .../hwtracing/coresight/coresight-tmc-etr.c | 87 ++++++++++++++++++- drivers/hwtracing/coresight/coresight-tmc.h | 24 +++++ 3 files changed, 161 insertions(+), 1 deletion(-)
diff --git a/drivers/hwtracing/coresight/coresight-tmc-core.c b/drivers/hwtracing/coresight/coresight-tmc-core.c index 7ec5365e2b64..1e94215ac148 100644 --- a/drivers/hwtracing/coresight/coresight-tmc-core.c +++ b/drivers/hwtracing/coresight/coresight-tmc-core.c
[...]
diff --git a/drivers/hwtracing/coresight/coresight-tmc-etr.c b/drivers/hwtracing/coresight/coresight-tmc-etr.c index 834674feb6b4..fca82eaf073f 100644
Hi Linu,
I think this version of coresight-tmc-etr.c isn't in the tree and it makes it hard to apply the set. Do you have local changes? Or if it requires other patches it might be best to host the full set on your own repo and link to it:
$ git show 834674feb6b4 fatal: ambiguous argument '834674feb6b4': unknown revision or path not in the working tree. Use '--' to separate paths from revisions, like this: 'git <command> [<revision>...] -- [<file>...]'
Thanks James
Sorry just saw the note at the top of the cover letter about the other patches.
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