Home
last modified time | relevance | path

Searched full:tpdm (Results 1 – 11 of 11) sorted by relevance

/linux-6.8/Documentation/ABI/testing/
Dsysfs-bus-coresight-devices-tpdm1 What: /sys/bus/coresight/devices/<tpdm-name>/integration_test
6 (Write) Run integration test for tpdm. Integration test
7 will generate test data for tpdm. It can help to make
15 What: /sys/bus/coresight/devices/<tpdm-name>/reset_dataset
20 (Write) Reset the dataset of the tpdm.
23 1 : Reset the dataset of the tpdm
25 What: /sys/bus/coresight/devices/<tpdm-name>/dsb_trig_type
30 (RW) Set/Get the trigger type of the DSB for tpdm.
36 What: /sys/bus/coresight/devices/<tpdm-name>/dsb_trig_ts
41 (RW) Set/Get the trigger timestamp of the DSB for tpdm.
[all …]
/linux-6.8/Documentation/devicetree/bindings/arm/
Dqcom,coresight-tpdm.yaml5 $id: http://devicetree.org/schemas/arm/qcom,coresight-tpdm.yaml#
8 title: Trace, Profiling and Diagnostics Monitor - TPDM
11 The TPDM or Monitor serves as data collection component for various dataset
18 The primary use case of the TPDM is to collect data from different data
31 - qcom,coresight-tpdm
37 pattern: "^tpdm(@[0-9a-f]+)$"
40 - const: qcom,coresight-tpdm
59 or set to 0, it means this DSB TPDM doesn't support MSR.
73 Output connections from the TPDM to coresight funnel/TPDA.
78 description: Output connection from the TPDM to coresight
[all …]
Dqcom,coresight-tpda.yaml13 more attached TPDM and pushing the resultant (packetized) data out a
15 task for free-flowing data from TPDM (i.e. CMB and DSB data set flows).
17 There is no strict binding between TPDM and TPDA. TPDA can have multiple
19 TPDM source to TMC sink. TPDM can directly connect to TPDA's inport or
32 (by cat tmc_etf0/mgmt/rwp), it means there is data generated from TPDM
71 Input connections from TPDM to TPDA
/linux-6.8/Documentation/trace/coresight/
Dcoresight-tpdm.rst4 Trace performance monitoring and diagnostics monitor(TPDM)
12 TPDM - The trace performance monitoring and diagnostics monitor or TPDM in
14 The primary use case of the TPDM is to collect data from different data
19 Root: ``/sys/bus/coresight/devices/tpdm<N>``
25 - > 0 : enable the datasets of TPDM.
27 - = 0 : disable the datasets of TPDM.
36 Integration test will generate test data for tpdm.
Dcoresight-tpda.rst27 The tpdm and tpda nodes should be observed at the coresight path
32 tpdm0 -> ../../../devices/platform/soc@0/6c08000.mm.tpdm/tpdm0
36 the tpdm will be enabled after commands below.
46 generated from TPDM to sink.
48 There must be a tpda between tpdm and the sink. When there are some
49 other trace event hw components in the same HW block with tpdm, tpdm
51 there is only tpdm trace hw in the HW block, tpdm will connect to
/linux-6.8/drivers/hwtracing/coresight/
Dcoresight-tpdm.h9 /* The max number of the datasets that TPDM supports */
61 /* TPDM integration test registers */
78 * interfaces and subunits are present on a given TPDM.
177 * struct tpdm_drvdata - specifics associated to an TPDM component
183 * @datasets: The datasets types present of the TPDM.
184 * @dsb Specifics associated to TPDM DSB.
185 * @dsb_msr_num Number of MSR supported by DSB TPDM
Dcoresight-tpda.c32 * Read the DSB element size from the TPDM device
46 "Failed to read TPDM DSB Element size: %d\n", rc); in tpdm_read_dsb_element_size()
52 * Search and read element data size from the TPDM node in
54 * a TPDM. Different TPDM supports different types of dataset,
222 * identify the TPDM trace source connected to the TPDA. in tpda_init_default_data()
Dcoresight-tpdm.c20 #include "coresight-tpdm.h"
22 DEFINE_CORESIGHT_DEVLIST(tpdm_devs, "tpdm");
271 * TPDM enable operations
272 * The TPDM or Monitor serves as data collection component for various
276 * to the dataset type supported by the TPDM.
303 dev_dbg(drvdata->dev, "TPDM tracing enabled\n"); in tpdm_enable()
317 /* TPDM disable operations */
343 dev_dbg(drvdata->dev, "TPDM tracing disabled\n"); in tpdm_disable()
359 /* Get the datasets present on the TPDM. */ in tpdm_datasets_setup()
928 * Different TPDM has different periph id.
[all …]
DMakefile28 obj-$(CONFIG_CORESIGHT_TPDM) += coresight-tpdm.o
DKconfig227 called coresight-tpdm.
/linux-6.8/arch/arm64/boot/dts/qcom/
Dsm8250.dtsi3308 tpdm@684c000 {
3309 compatible = "qcom,coresight-tpdm", "arm,primecell";
3403 tpdm@6c08000 {
3404 compatible = "qcom,coresight-tpdm", "arm,primecell";