From: Suzuki.Poulose@arm.com (Suzuki K Poulose)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH V2 14/15] coresight: tmc: implementing TMC-ETR AUX space API
Date: Thu, 21 Apr 2016 17:10:40 +0100 [thread overview]
Message-ID: <5718FB80.90205@arm.com> (raw)
In-Reply-To: <1460483692-25061-15-git-send-email-mathieu.poirier@linaro.org>
On 12/04/16 18:54, Mathieu Poirier wrote:
> This patch implement the AUX area interfaces required to
> use the TMC (configured as an ETR) from the Perf sub-system.
>
> The heuristic is heavily borrowed from the ETB10 and TMC-ETF
> implementation.
>
> Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
> +static void tmc_update_etr_buffer(struct coresight_device *csdev,
> + struct perf_output_handle *handle,
> + void *sink_config)
> +{
> + struct cs_etr_buffers *buf = sink_config;
> +
> + /*
> + * An ETR configured to work in contiguous memory mode works the same
> + * was as an ETB or ETF.
> + */
> + tmc_update_etf_buffer(csdev, handle, &buf->tmc);
Really ? I thought the ETR stores the data to the allocated System RAM and can
be read directly from the memory than using the RRD ?
Suzuki
next prev parent reply other threads:[~2016-04-21 16:10 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-12 17:54 [PATCH V2 00/15] coresight: tmc: make driver usable by Perf Mathieu Poirier
2016-04-12 17:54 ` [PATCH V2 01/15] coresight: tmc: modifying naming convention Mathieu Poirier
2016-04-14 17:01 ` Suzuki K Poulose
2016-04-12 17:54 ` [PATCH V2 02/15] coresight: tmc: waiting for TMCReady bit before programming Mathieu Poirier
2016-04-14 17:05 ` Suzuki K Poulose
2016-04-12 17:54 ` [PATCH V2 03/15] coresight: tmc: re-implementing tmc_read_prepare/unprepare() functions Mathieu Poirier
2016-04-14 17:11 ` Suzuki K Poulose
2016-04-15 15:40 ` Mathieu Poirier
2016-04-15 17:41 ` Suzuki K Poulose
2016-04-12 17:54 ` [PATCH V2 04/15] coresight: tmc: introducing new header file Mathieu Poirier
2016-04-14 17:33 ` Suzuki K Poulose
2016-04-15 16:03 ` Mathieu Poirier
2016-04-15 16:08 ` Suzuki K Poulose
2016-04-15 16:15 ` Mathieu Poirier
2016-04-15 16:18 ` Suzuki K Poulose
2016-04-12 17:54 ` [PATCH V2 05/15] coresight: tmc: splitting driver in ETB/ETF and ETR components Mathieu Poirier
2016-04-19 12:20 ` Suzuki K Poulose
2016-04-19 15:14 ` Mathieu Poirier
2016-04-12 17:54 ` [PATCH V2 06/15] coresight: tmc: making prepare/unprepare functions generic Mathieu Poirier
2016-04-19 12:30 ` Suzuki K Poulose
2016-04-19 15:22 ` Mathieu Poirier
2016-04-19 15:32 ` Suzuki K Poulose
2016-04-12 17:54 ` [PATCH V2 07/15] coresight: tmc: allocating memory when needed Mathieu Poirier
2016-04-19 12:55 ` Suzuki K Poulose
2016-04-19 13:14 ` Suzuki K Poulose
2016-04-19 15:39 ` Mathieu Poirier
2016-04-12 17:54 ` [PATCH V2 08/15] coresight: tmc: getting the right read_count on tmc_open() Mathieu Poirier
2016-04-19 13:07 ` Suzuki K Poulose
2016-04-12 17:54 ` [PATCH V2 09/15] coresight: tmc: adding mode of operation for link/sinks Mathieu Poirier
2016-04-19 13:19 ` Suzuki K Poulose
2016-04-19 15:45 ` Mathieu Poirier
2016-04-19 15:49 ` Suzuki K Poulose
2016-04-12 17:54 ` [PATCH V2 10/15] coresight: tmc: dump system memory content only when needed Mathieu Poirier
2016-04-12 17:54 ` [PATCH V2 11/15] coresight: tmc: make sysFS and Perf mode mutually exclusive Mathieu Poirier
2016-04-19 13:42 ` Suzuki K Poulose
2016-04-19 16:16 ` Mathieu Poirier
2016-04-12 17:54 ` [PATCH V2 12/15] coresight: tmc: keep track of memory width Mathieu Poirier
2016-04-14 11:19 ` Suzuki K Poulose
2016-04-15 16:10 ` Mathieu Poirier
2016-04-12 17:54 ` [PATCH V2 13/15] coresight: tmc: implementing TMC-ETF AUX space API Mathieu Poirier
2016-04-19 16:16 ` Suzuki K Poulose
2016-04-19 16:45 ` Mathieu Poirier
2016-04-19 16:50 ` Suzuki K Poulose
2016-04-12 17:54 ` [PATCH V2 14/15] coresight: tmc: implementing TMC-ETR " Mathieu Poirier
2016-04-21 16:10 ` Suzuki K Poulose [this message]
2016-04-21 22:00 ` Mathieu Poirier
2016-04-12 17:54 ` [PATCH V2 15/15] coresight: configuring ETF in FIFO mode when acting as link Mathieu Poirier
2016-04-21 12:53 ` Suzuki K Poulose
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