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| author | Michał Barnaś <mb@semihalf.com> | 2022-01-19 18:27:33 +0100 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-03-22 18:40:46 +0000 |
| commit | 53a2adff4d69f28d755144b6d972a173a35ad349 (patch) | |
| tree | e1721a96f290e854dd8fd03f5bd8f3c5dff35fa3 /docs/ap-ec-comm.md | |
| parent | 0d5c2467785930f326af62d611ce4fa1f2121fae (diff) | |
| download | chrome-ec-53a2adff4d69f28d755144b6d972a173a35ad349.tar.gz | |
zephyr: add documentation about host commands
This commit adds information about available Kconfigs
and device tree definitions used to enable and configure
host interface support.
BRANCH=main
BUG=b:208438167
TEST=generate preview
Change-Id: I049dbd5efd5edc32492b191b8f1cc7911ad2b2bd
Signed-off-by: Michał Barnaś <mb@semihalf.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3401640
Reviewed-by: Keith Short <keithshort@chromium.org>
Diffstat (limited to 'docs/ap-ec-comm.md')
| -rw-r--r-- | docs/ap-ec-comm.md | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/docs/ap-ec-comm.md b/docs/ap-ec-comm.md index 5cd6fd82d9..035e2d7457 100644 --- a/docs/ap-ec-comm.md +++ b/docs/ap-ec-comm.md @@ -25,6 +25,21 @@ the following sections. providing a CLI. They call one of the transport-specific `ec_command` implementations in the `util/comm-*.c` files to send and receive from the EC. +#### Stress test + +The `ectool stress` command sends a large amount of host commands continuously +to the EC. This verifies that the EC can respond to all commands received +without timeouts or communication errors. + +It will log the time elapsed for every iteration of sending 10000 host commands +with the time that it took to send them. + +Example output of stress test is: +`Update: attempt 10000 round 1 | took 205 seconds` + +Killing the process will result in displaying the total runtime and failures +that happened during it. + ### EC kernel driver In most cases, `ectool` communicates via the [`cros-ec` Kernel driver], rather |