diff options
Diffstat (limited to 'io_uring/fdinfo.c')
| -rw-r--r-- | io_uring/fdinfo.c | 54 |
1 files changed, 41 insertions, 13 deletions
diff --git a/io_uring/fdinfo.c b/io_uring/fdinfo.c index efbec34ccb18..b214e5a407b5 100644 --- a/io_uring/fdinfo.c +++ b/io_uring/fdinfo.c @@ -46,6 +46,46 @@ static __cold int io_uring_show_cred(struct seq_file *m, unsigned int id, return 0; } +#ifdef CONFIG_NET_RX_BUSY_POLL +static __cold void common_tracking_show_fdinfo(struct io_ring_ctx *ctx, + struct seq_file *m, + const char *tracking_strategy) +{ + seq_puts(m, "NAPI:\tenabled\n"); + seq_printf(m, "napi tracking:\t%s\n", tracking_strategy); + seq_printf(m, "napi_busy_poll_dt:\t%llu\n", ctx->napi_busy_poll_dt); + if (ctx->napi_prefer_busy_poll) + seq_puts(m, "napi_prefer_busy_poll:\ttrue\n"); + else + seq_puts(m, "napi_prefer_busy_poll:\tfalse\n"); +} + +static __cold void napi_show_fdinfo(struct io_ring_ctx *ctx, + struct seq_file *m) +{ + unsigned int mode = READ_ONCE(ctx->napi_track_mode); + + switch (mode) { + case IO_URING_NAPI_TRACKING_INACTIVE: + seq_puts(m, "NAPI:\tdisabled\n"); + break; + case IO_URING_NAPI_TRACKING_DYNAMIC: + common_tracking_show_fdinfo(ctx, m, "dynamic"); + break; + case IO_URING_NAPI_TRACKING_STATIC: + common_tracking_show_fdinfo(ctx, m, "static"); + break; + default: + seq_printf(m, "NAPI:\tunknown mode (%u)\n", mode); + } +} +#else +static inline void napi_show_fdinfo(struct io_ring_ctx *ctx, + struct seq_file *m) +{ +} +#endif + /* * Caller holds a reference to the file already, we don't need to do * anything else to get an extra reference. @@ -219,18 +259,6 @@ __cold void io_uring_show_fdinfo(struct seq_file *m, struct file *file) } spin_unlock(&ctx->completion_lock); - -#ifdef CONFIG_NET_RX_BUSY_POLL - if (ctx->napi_enabled) { - seq_puts(m, "NAPI:\tenabled\n"); - seq_printf(m, "napi_busy_poll_dt:\t%llu\n", ctx->napi_busy_poll_dt); - if (ctx->napi_prefer_busy_poll) - seq_puts(m, "napi_prefer_busy_poll:\ttrue\n"); - else - seq_puts(m, "napi_prefer_busy_poll:\tfalse\n"); - } else { - seq_puts(m, "NAPI:\tdisabled\n"); - } -#endif + napi_show_fdinfo(ctx, m); } #endif |