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| author | Star Chang <starchang@google.com> | 2022-09-27 03:50:03 +0000 |
|---|---|---|
| committer | Star Chang <starchang@google.com> | 2022-11-01 11:46:03 +0000 |
| commit | a8878c34c747769c7a069910d26d94de4efac03c (patch) | |
| tree | 523bd79413ca76a535a1110bc6fa668af6ec33f0 /debugfs.c | |
| parent | 4e6c07be722421daa260cb66ffd667f4088d1e83 (diff) | |
| download | wlan_ptracker-a8878c34c747769c7a069910d26d94de4efac03c.tar.gz | |
wlan_ptracker: add dumpstate support
1. add support dumpstate
2. fix kernel exception issue
Bug: 253348062
Test: ST-stability/WiFi regression/WiFi performance Test pass
Signed-off-by: Star Chang <starchang@google.com>
Change-Id: I55610531fbe21f870d28605b077b3adce742ed47
Diffstat (limited to 'debugfs.c')
| -rw-r--r-- | debugfs.c | 21 |
1 files changed, 18 insertions, 3 deletions
@@ -85,6 +85,20 @@ static const struct file_operations dscp_ops = { .llseek = generic_file_llseek, }; +static int wlan_ptracker_sysfs_init(struct wlan_ptracker_debugfs *debugfs) +{ + debugfs->kobj = kobject_create_and_add("wlan_ptracker", NULL); + if (!debugfs->kobj) + return -ENODEV; + return 0; +} + +static void wlan_ptracker_sysfs_exit(struct wlan_ptracker_debugfs *debugfs) +{ + if (debugfs->kobj) + kobject_put(debugfs->kobj); +} + int wlan_ptracker_debugfs_init(struct wlan_ptracker_debugfs *debugfs) { struct wlan_ptracker_core *core = container_of( @@ -96,6 +110,7 @@ int wlan_ptracker_debugfs_init(struct wlan_ptracker_debugfs *debugfs) debugfs_create_file("action", 0600, debugfs->root, core, &dscp_ops); debugfs_create_u32("dscp", 0600, debugfs->root, &debugfs->dscp); debugfs_create_u32("ac", 0600, debugfs->root, &debugfs->ac); + wlan_ptracker_sysfs_init(debugfs); return 0; } @@ -103,6 +118,7 @@ void wlan_ptracker_debugfs_exit(struct wlan_ptracker_debugfs *debugfs) { debugfs_remove_recursive(debugfs->root); debugfs->root = NULL; + wlan_ptracker_sysfs_exit(debugfs); } struct history_manager *wlan_ptracker_history_create(int entry_count, int entry_size) @@ -179,14 +195,13 @@ size_t wlan_ptracker_history_read(struct history_manager *hm, char *buf, int buf cur = (struct history_entry *) ptr; if (!cur->valid) break; - j = (i + hm->entry_count + 1) % hm->entry_count; + j = (i + 1) % hm->entry_count; next = (struct history_entry *)(hm->entries + (j * hm->entry_size)); len += scnprintf(buf + len, buf_len - len, "%02d: ", i); len += history_get_tm(cur, buf + len, buf_len - len); len += scnprintf(buf + len, buf_len - len, "%12s =>", state2str[cur->state]); if (hm->priv_read) - len += hm->priv_read(cur, next->valid ? next : NULL, buf + len, - buf_len - len); + len += hm->priv_read(cur, next, buf + len, buf_len - len); len += scnprintf(buf + len, buf_len - len, "\n"); ptr += hm->entry_size; } |