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| author | Eddie James <eajames@linux.ibm.com> | 2023-06-12 14:56:51 -0500 |
|---|---|---|
| committer | Joel Stanley <joel@jms.id.au> | 2023-08-09 15:43:28 +0930 |
| commit | 02c8fec05bc74d3f50b23c20a54cb6cba3326eef (patch) | |
| tree | c5ae5bfe10fc5de432e920bb634f9335cb443835 | |
| parent | 52300909f4670ac552bfeb33c1355b896eac8c06 (diff) | |
| download | linux-stable-02c8fec05bc74d3f50b23c20a54cb6cba3326eef.tar.gz linux-stable-02c8fec05bc74d3f50b23c20a54cb6cba3326eef.tar.bz2 linux-stable-02c8fec05bc74d3f50b23c20a54cb6cba3326eef.zip | |
fsi: core: Add trace events for scan and unregister
Add more trace events for the scanning and unregistration
functions for debug purposes.
Signed-off-by: Eddie James <eajames@linux.ibm.com>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Link: https://lore.kernel.org/r/20230612195657.245125-9-eajames@linux.ibm.com
Signed-off-by: Joel Stanley <joel@jms.id.au>
| -rw-r--r-- | drivers/fsi/fsi-core.c | 4 | ||||
| -rw-r--r-- | include/trace/events/fsi.h | 31 |
2 files changed, 35 insertions, 0 deletions
diff --git a/drivers/fsi/fsi-core.c b/drivers/fsi/fsi-core.c index 8cf50d95998c..161c45857e1d 100644 --- a/drivers/fsi/fsi-core.c +++ b/drivers/fsi/fsi-core.c @@ -1199,6 +1199,7 @@ static int fsi_master_scan(struct fsi_master *master) { int link, rc; + trace_fsi_master_scan(master, true); for (link = 0; link < master->n_links; link++) { rc = fsi_master_link_enable(master, link); if (rc) { @@ -1240,6 +1241,7 @@ static int fsi_master_remove_slave(struct device *dev, void *arg) static void fsi_master_unscan(struct fsi_master *master) { + trace_fsi_master_scan(master, false); device_for_each_child(&master->dev, NULL, fsi_master_remove_slave); } @@ -1328,6 +1330,8 @@ EXPORT_SYMBOL_GPL(fsi_master_register); void fsi_master_unregister(struct fsi_master *master) { + trace_fsi_master_unregister(master); + if (master->idx >= 0) { ida_simple_remove(&master_ida, master->idx); master->idx = -1; diff --git a/include/trace/events/fsi.h b/include/trace/events/fsi.h index c9a72e8432b8..5ff15126ad9d 100644 --- a/include/trace/events/fsi.h +++ b/include/trace/events/fsi.h @@ -122,6 +122,37 @@ TRACE_EVENT(fsi_master_break, ) ); +TRACE_EVENT(fsi_master_scan, + TP_PROTO(const struct fsi_master *master, bool scan), + TP_ARGS(master, scan), + TP_STRUCT__entry( + __field(int, master_idx) + __field(int, n_links) + __field(bool, scan) + ), + TP_fast_assign( + __entry->master_idx = master->idx; + __entry->n_links = master->n_links; + __entry->scan = scan; + ), + TP_printk("fsi%d (%d links) %s", __entry->master_idx, __entry->n_links, + __entry->scan ? "scan" : "unscan") +); + +TRACE_EVENT(fsi_master_unregister, + TP_PROTO(const struct fsi_master *master), + TP_ARGS(master), + TP_STRUCT__entry( + __field(int, master_idx) + __field(int, n_links) + ), + TP_fast_assign( + __entry->master_idx = master->idx; + __entry->n_links = master->n_links; + ), + TP_printk("fsi%d (%d links)", __entry->master_idx, __entry->n_links) +); + TRACE_EVENT(fsi_slave_init, TP_PROTO(const struct fsi_slave *slave), TP_ARGS(slave), |