diff options
Diffstat (limited to 'fs/bcachefs/util.c')
| -rw-r--r-- | fs/bcachefs/util.c | 86 |
1 files changed, 39 insertions, 47 deletions
diff --git a/fs/bcachefs/util.c b/fs/bcachefs/util.c index 92c6ad75e7..4ec7e44d6e 100644 --- a/fs/bcachefs/util.c +++ b/fs/bcachefs/util.c @@ -252,8 +252,10 @@ void bch2_prt_u64_base2(struct printbuf *out, u64 v) bch2_prt_u64_base2_nbits(out, v, fls64(v) ?: 1); } -void bch2_print_string_as_lines(const char *prefix, const char *lines) +static void __bch2_print_string_as_lines(const char *prefix, const char *lines, + bool nonblocking) { + bool locked = false; const char *p; if (!lines) { @@ -261,7 +263,13 @@ void bch2_print_string_as_lines(const char *prefix, const char *lines) return; } - console_lock(); + if (!nonblocking) { + console_lock(); + locked = true; + } else { + locked = console_trylock(); + } + while (1) { p = strchrnul(lines, '\n'); printk("%s%.*s\n", prefix, (int) (p - lines), lines); @@ -269,7 +277,18 @@ void bch2_print_string_as_lines(const char *prefix, const char *lines) break; lines = p + 1; } - console_unlock(); + if (locked) + console_unlock(); +} + +void bch2_print_string_as_lines(const char *prefix, const char *lines) +{ + return __bch2_print_string_as_lines(prefix, lines, false); +} + +void bch2_print_string_as_lines_nonblocking(const char *prefix, const char *lines) +{ + return __bch2_print_string_as_lines(prefix, lines, true); } int bch2_save_backtrace(bch_stacktrace *stack, struct task_struct *task, unsigned skipnr, @@ -348,15 +367,12 @@ static void bch2_pr_time_units_aligned(struct printbuf *out, u64 ns) { const struct time_unit *u = bch2_pick_time_units(ns); - prt_printf(out, "%llu ", div64_u64(ns, u->nsecs)); - prt_tab_rjust(out); - prt_printf(out, "%s", u->name); + prt_printf(out, "%llu \r%s", div64_u64(ns, u->nsecs), u->name); } static inline void pr_name_and_units(struct printbuf *out, const char *name, u64 ns) { - prt_str(out, name); - prt_tab(out); + prt_printf(out, "%s\t", name); bch2_pr_time_units_aligned(out, ns); prt_newline(out); } @@ -389,12 +405,8 @@ void bch2_time_stats_to_text(struct printbuf *out, struct bch2_time_stats *stats } printbuf_tabstop_push(out, out->indent + TABSTOP_SIZE); - prt_printf(out, "count:"); - prt_tab(out); - prt_printf(out, "%llu ", - stats->duration_stats.n); + prt_printf(out, "count:\t%llu\n", stats->duration_stats.n); printbuf_tabstop_pop(out); - prt_newline(out); printbuf_tabstops_reset(out); @@ -403,13 +415,8 @@ void bch2_time_stats_to_text(struct printbuf *out, struct bch2_time_stats *stats printbuf_tabstop_push(out, 0); printbuf_tabstop_push(out, TABSTOP_SIZE + 2); - prt_tab(out); - prt_printf(out, "since mount"); - prt_tab_rjust(out); - prt_tab(out); + prt_printf(out, "\tsince mount\r\trecent\r\n"); prt_printf(out, "recent"); - prt_tab_rjust(out); - prt_newline(out); printbuf_tabstops_reset(out); printbuf_tabstop_push(out, out->indent + 20); @@ -417,23 +424,20 @@ void bch2_time_stats_to_text(struct printbuf *out, struct bch2_time_stats *stats printbuf_tabstop_push(out, 2); printbuf_tabstop_push(out, TABSTOP_SIZE); - prt_printf(out, "duration of events"); - prt_newline(out); + prt_printf(out, "duration of events\n"); printbuf_indent_add(out, 2); pr_name_and_units(out, "min:", stats->min_duration); pr_name_and_units(out, "max:", stats->max_duration); pr_name_and_units(out, "total:", stats->total_duration); - prt_printf(out, "mean:"); - prt_tab(out); + prt_printf(out, "mean:\t"); bch2_pr_time_units_aligned(out, d_mean); prt_tab(out); bch2_pr_time_units_aligned(out, mean_and_variance_weighted_get_mean(stats->duration_stats_weighted, TIME_STATS_MV_WEIGHT)); prt_newline(out); - prt_printf(out, "stddev:"); - prt_tab(out); + prt_printf(out, "stddev:\t"); bch2_pr_time_units_aligned(out, d_stddev); prt_tab(out); bch2_pr_time_units_aligned(out, mean_and_variance_weighted_get_stddev(stats->duration_stats_weighted, TIME_STATS_MV_WEIGHT)); @@ -441,22 +445,19 @@ void bch2_time_stats_to_text(struct printbuf *out, struct bch2_time_stats *stats printbuf_indent_sub(out, 2); prt_newline(out); - prt_printf(out, "time between events"); - prt_newline(out); + prt_printf(out, "time between events\n"); printbuf_indent_add(out, 2); pr_name_and_units(out, "min:", stats->min_freq); pr_name_and_units(out, "max:", stats->max_freq); - prt_printf(out, "mean:"); - prt_tab(out); + prt_printf(out, "mean:\t"); bch2_pr_time_units_aligned(out, f_mean); prt_tab(out); bch2_pr_time_units_aligned(out, mean_and_variance_weighted_get_mean(stats->freq_stats_weighted, TIME_STATS_MV_WEIGHT)); prt_newline(out); - prt_printf(out, "stddev:"); - prt_tab(out); + prt_printf(out, "stddev:\t"); bch2_pr_time_units_aligned(out, f_stddev); prt_tab(out); bch2_pr_time_units_aligned(out, mean_and_variance_weighted_get_stddev(stats->freq_stats_weighted, TIME_STATS_MV_WEIGHT)); @@ -589,40 +590,31 @@ void bch2_pd_controller_debug_to_text(struct printbuf *out, struct bch_pd_contro if (!out->nr_tabstops) printbuf_tabstop_push(out, 20); - prt_printf(out, "rate:"); - prt_tab(out); + prt_printf(out, "rate:\t"); prt_human_readable_s64(out, pd->rate.rate); prt_newline(out); - prt_printf(out, "target:"); - prt_tab(out); + prt_printf(out, "target:\t"); prt_human_readable_u64(out, pd->last_target); prt_newline(out); - prt_printf(out, "actual:"); - prt_tab(out); + prt_printf(out, "actual:\t"); prt_human_readable_u64(out, pd->last_actual); prt_newline(out); - prt_printf(out, "proportional:"); - prt_tab(out); + prt_printf(out, "proportional:\t"); prt_human_readable_s64(out, pd->last_proportional); prt_newline(out); - prt_printf(out, "derivative:"); - prt_tab(out); + prt_printf(out, "derivative:\t"); prt_human_readable_s64(out, pd->last_derivative); prt_newline(out); - prt_printf(out, "change:"); - prt_tab(out); + prt_printf(out, "change:\t"); prt_human_readable_s64(out, pd->last_change); prt_newline(out); - prt_printf(out, "next io:"); - prt_tab(out); - prt_printf(out, "%llims", div64_s64(pd->rate.next - local_clock(), NSEC_PER_MSEC)); - prt_newline(out); + prt_printf(out, "next io:\t%llims\n", div64_s64(pd->rate.next - local_clock(), NSEC_PER_MSEC)); } /* misc: */ |