diff options
Diffstat (limited to 'drivers/crypto/intel/iaa/iaa_crypto_stats.c')
| -rw-r--r-- | drivers/crypto/intel/iaa/iaa_crypto_stats.c | 183 |
1 files changed, 86 insertions, 97 deletions
diff --git a/drivers/crypto/intel/iaa/iaa_crypto_stats.c b/drivers/crypto/intel/iaa/iaa_crypto_stats.c index c9f83af4b307..f5cc3d29ca19 100644 --- a/drivers/crypto/intel/iaa/iaa_crypto_stats.c +++ b/drivers/crypto/intel/iaa/iaa_crypto_stats.c @@ -17,141 +17,117 @@ #include "iaa_crypto.h" #include "iaa_crypto_stats.h" -static u64 total_comp_calls; -static u64 total_decomp_calls; -static u64 total_sw_decomp_calls; -static u64 max_comp_delay_ns; -static u64 max_decomp_delay_ns; -static u64 total_comp_bytes_out; -static u64 total_decomp_bytes_in; -static u64 total_completion_einval_errors; -static u64 total_completion_timeout_errors; -static u64 total_completion_comp_buf_overflow_errors; +static atomic64_t total_comp_calls; +static atomic64_t total_decomp_calls; +static atomic64_t total_sw_decomp_calls; +static atomic64_t total_comp_bytes_out; +static atomic64_t total_decomp_bytes_in; +static atomic64_t total_completion_einval_errors; +static atomic64_t total_completion_timeout_errors; +static atomic64_t total_completion_comp_buf_overflow_errors; static struct dentry *iaa_crypto_debugfs_root; void update_total_comp_calls(void) { - total_comp_calls++; + atomic64_inc(&total_comp_calls); } void update_total_comp_bytes_out(int n) { - total_comp_bytes_out += n; + atomic64_add(n, &total_comp_bytes_out); } void update_total_decomp_calls(void) { - total_decomp_calls++; + atomic64_inc(&total_decomp_calls); } void update_total_sw_decomp_calls(void) { - total_sw_decomp_calls++; + atomic64_inc(&total_sw_decomp_calls); } void update_total_decomp_bytes_in(int n) { - total_decomp_bytes_in += n; + atomic64_add(n, &total_decomp_bytes_in); } void update_completion_einval_errs(void) { - total_completion_einval_errors++; + atomic64_inc(&total_completion_einval_errors); } void update_completion_timeout_errs(void) { - total_completion_timeout_errors++; + atomic64_inc(&total_completion_timeout_errors); } void update_completion_comp_buf_overflow_errs(void) { - total_completion_comp_buf_overflow_errors++; -} - -void update_max_comp_delay_ns(u64 start_time_ns) -{ - u64 time_diff; - - time_diff = ktime_get_ns() - start_time_ns; - - if (time_diff > max_comp_delay_ns) - max_comp_delay_ns = time_diff; -} - -void update_max_decomp_delay_ns(u64 start_time_ns) -{ - u64 time_diff; - - time_diff = ktime_get_ns() - start_time_ns; - - if (time_diff > max_decomp_delay_ns) - max_decomp_delay_ns = time_diff; + atomic64_inc(&total_completion_comp_buf_overflow_errors); } void update_wq_comp_calls(struct idxd_wq *idxd_wq) { struct iaa_wq *wq = idxd_wq_get_private(idxd_wq); - wq->comp_calls++; - wq->iaa_device->comp_calls++; + atomic64_inc(&wq->comp_calls); + atomic64_inc(&wq->iaa_device->comp_calls); } void update_wq_comp_bytes(struct idxd_wq *idxd_wq, int n) { struct iaa_wq *wq = idxd_wq_get_private(idxd_wq); - wq->comp_bytes += n; - wq->iaa_device->comp_bytes += n; + atomic64_add(n, &wq->comp_bytes); + atomic64_add(n, &wq->iaa_device->comp_bytes); } void update_wq_decomp_calls(struct idxd_wq *idxd_wq) { struct iaa_wq *wq = idxd_wq_get_private(idxd_wq); - wq->decomp_calls++; - wq->iaa_device->decomp_calls++; + atomic64_inc(&wq->decomp_calls); + atomic64_inc(&wq->iaa_device->decomp_calls); } void update_wq_decomp_bytes(struct idxd_wq *idxd_wq, int n) { struct iaa_wq *wq = idxd_wq_get_private(idxd_wq); - wq->decomp_bytes += n; - wq->iaa_device->decomp_bytes += n; + atomic64_add(n, &wq->decomp_bytes); + atomic64_add(n, &wq->iaa_device->decomp_bytes); } static void reset_iaa_crypto_stats(void) { - total_comp_calls = 0; - total_decomp_calls = 0; - total_sw_decomp_calls = 0; - max_comp_delay_ns = 0; - max_decomp_delay_ns = 0; - total_comp_bytes_out = 0; - total_decomp_bytes_in = 0; - total_completion_einval_errors = 0; - total_completion_timeout_errors = 0; - total_completion_comp_buf_overflow_errors = 0; + atomic64_set(&total_comp_calls, 0); + atomic64_set(&total_decomp_calls, 0); + atomic64_set(&total_sw_decomp_calls, 0); + atomic64_set(&total_comp_bytes_out, 0); + atomic64_set(&total_decomp_bytes_in, 0); + atomic64_set(&total_completion_einval_errors, 0); + atomic64_set(&total_completion_timeout_errors, 0); + atomic64_set(&total_completion_comp_buf_overflow_errors, 0); } static void reset_wq_stats(struct iaa_wq *wq) { - wq->comp_calls = 0; - wq->comp_bytes = 0; - wq->decomp_calls = 0; - wq->decomp_bytes = 0; + atomic64_set(&wq->comp_calls, 0); + atomic64_set(&wq->comp_bytes, 0); + atomic64_set(&wq->decomp_calls, 0); + atomic64_set(&wq->decomp_bytes, 0); } static void reset_device_stats(struct iaa_device *iaa_device) { struct iaa_wq *iaa_wq; - iaa_device->comp_calls = 0; - iaa_device->comp_bytes = 0; - iaa_device->decomp_calls = 0; - iaa_device->decomp_bytes = 0; + atomic64_set(&iaa_device->comp_calls, 0); + atomic64_set(&iaa_device->comp_bytes, 0); + atomic64_set(&iaa_device->decomp_calls, 0); + atomic64_set(&iaa_device->decomp_bytes, 0); list_for_each_entry(iaa_wq, &iaa_device->wqs, list) reset_wq_stats(iaa_wq); @@ -160,10 +136,14 @@ static void reset_device_stats(struct iaa_device *iaa_device) static void wq_show(struct seq_file *m, struct iaa_wq *iaa_wq) { seq_printf(m, " name: %s\n", iaa_wq->wq->name); - seq_printf(m, " comp_calls: %llu\n", iaa_wq->comp_calls); - seq_printf(m, " comp_bytes: %llu\n", iaa_wq->comp_bytes); - seq_printf(m, " decomp_calls: %llu\n", iaa_wq->decomp_calls); - seq_printf(m, " decomp_bytes: %llu\n\n", iaa_wq->decomp_bytes); + seq_printf(m, " comp_calls: %llu\n", + atomic64_read(&iaa_wq->comp_calls)); + seq_printf(m, " comp_bytes: %llu\n", + atomic64_read(&iaa_wq->comp_bytes)); + seq_printf(m, " decomp_calls: %llu\n", + atomic64_read(&iaa_wq->decomp_calls)); + seq_printf(m, " decomp_bytes: %llu\n\n", + atomic64_read(&iaa_wq->decomp_bytes)); } static void device_stats_show(struct seq_file *m, struct iaa_device *iaa_device) @@ -173,30 +153,41 @@ static void device_stats_show(struct seq_file *m, struct iaa_device *iaa_device) seq_puts(m, "iaa device:\n"); seq_printf(m, " id: %d\n", iaa_device->idxd->id); seq_printf(m, " n_wqs: %d\n", iaa_device->n_wq); - seq_printf(m, " comp_calls: %llu\n", iaa_device->comp_calls); - seq_printf(m, " comp_bytes: %llu\n", iaa_device->comp_bytes); - seq_printf(m, " decomp_calls: %llu\n", iaa_device->decomp_calls); - seq_printf(m, " decomp_bytes: %llu\n", iaa_device->decomp_bytes); + seq_printf(m, " comp_calls: %llu\n", + atomic64_read(&iaa_device->comp_calls)); + seq_printf(m, " comp_bytes: %llu\n", + atomic64_read(&iaa_device->comp_bytes)); + seq_printf(m, " decomp_calls: %llu\n", + atomic64_read(&iaa_device->decomp_calls)); + seq_printf(m, " decomp_bytes: %llu\n", + atomic64_read(&iaa_device->decomp_bytes)); seq_puts(m, " wqs:\n"); list_for_each_entry(iaa_wq, &iaa_device->wqs, list) wq_show(m, iaa_wq); } -static void global_stats_show(struct seq_file *m) +static int global_stats_show(struct seq_file *m, void *v) { seq_puts(m, "global stats:\n"); - seq_printf(m, " total_comp_calls: %llu\n", total_comp_calls); - seq_printf(m, " total_decomp_calls: %llu\n", total_decomp_calls); - seq_printf(m, " total_sw_decomp_calls: %llu\n", total_sw_decomp_calls); - seq_printf(m, " total_comp_bytes_out: %llu\n", total_comp_bytes_out); - seq_printf(m, " total_decomp_bytes_in: %llu\n", total_decomp_bytes_in); + seq_printf(m, " total_comp_calls: %llu\n", + atomic64_read(&total_comp_calls)); + seq_printf(m, " total_decomp_calls: %llu\n", + atomic64_read(&total_decomp_calls)); + seq_printf(m, " total_sw_decomp_calls: %llu\n", + atomic64_read(&total_sw_decomp_calls)); + seq_printf(m, " total_comp_bytes_out: %llu\n", + atomic64_read(&total_comp_bytes_out)); + seq_printf(m, " total_decomp_bytes_in: %llu\n", + atomic64_read(&total_decomp_bytes_in)); seq_printf(m, " total_completion_einval_errors: %llu\n", - total_completion_einval_errors); + atomic64_read(&total_completion_einval_errors)); seq_printf(m, " total_completion_timeout_errors: %llu\n", - total_completion_timeout_errors); + atomic64_read(&total_completion_timeout_errors)); seq_printf(m, " total_completion_comp_buf_overflow_errors: %llu\n\n", - total_completion_comp_buf_overflow_errors); + atomic64_read(&total_completion_comp_buf_overflow_errors)); + + return 0; } static int wq_stats_show(struct seq_file *m, void *v) @@ -205,8 +196,6 @@ static int wq_stats_show(struct seq_file *m, void *v) mutex_lock(&iaa_devices_lock); - global_stats_show(m); - list_for_each_entry(iaa_device, &iaa_devices, list) device_stats_show(m, iaa_device); @@ -243,6 +232,18 @@ static const struct file_operations wq_stats_fops = { .release = single_release, }; +static int global_stats_open(struct inode *inode, struct file *file) +{ + return single_open(file, global_stats_show, file); +} + +static const struct file_operations global_stats_fops = { + .open = global_stats_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + DEFINE_DEBUGFS_ATTRIBUTE(wq_stats_reset_fops, NULL, iaa_crypto_stats_reset, "%llu\n"); int __init iaa_crypto_debugfs_init(void) @@ -252,20 +253,8 @@ int __init iaa_crypto_debugfs_init(void) iaa_crypto_debugfs_root = debugfs_create_dir("iaa_crypto", NULL); - debugfs_create_u64("max_comp_delay_ns", 0644, - iaa_crypto_debugfs_root, &max_comp_delay_ns); - debugfs_create_u64("max_decomp_delay_ns", 0644, - iaa_crypto_debugfs_root, &max_decomp_delay_ns); - debugfs_create_u64("total_comp_calls", 0644, - iaa_crypto_debugfs_root, &total_comp_calls); - debugfs_create_u64("total_decomp_calls", 0644, - iaa_crypto_debugfs_root, &total_decomp_calls); - debugfs_create_u64("total_sw_decomp_calls", 0644, - iaa_crypto_debugfs_root, &total_sw_decomp_calls); - debugfs_create_u64("total_comp_bytes_out", 0644, - iaa_crypto_debugfs_root, &total_comp_bytes_out); - debugfs_create_u64("total_decomp_bytes_in", 0644, - iaa_crypto_debugfs_root, &total_decomp_bytes_in); + debugfs_create_file("global_stats", 0644, iaa_crypto_debugfs_root, NULL, + &global_stats_fops); debugfs_create_file("wq_stats", 0644, iaa_crypto_debugfs_root, NULL, &wq_stats_fops); debugfs_create_file("stats_reset", 0644, iaa_crypto_debugfs_root, NULL, |