From 4c0181bf6cc81716102308dc47779ad1f5aeded2 Mon Sep 17 00:00:00 2001 From: Tom Wu Date: Thu, 4 Jul 2019 10:19:54 +0000 Subject: nvme-trace: add delete completion and submission queue to admin cmds tracer The trace log for 'delete I/O submission queue' and 'delete I/O completion queue' command will look like as below: kworker/u49:1-3438 [003] .... 6693.070865: nvme_setup_cmd: nvme0: qid=0, cmdid=11, nsid=0, flags=0x0, meta=0x0, cmd=(nvme_admin_delete_sq sqid=1) kworker/u49:1-3438 [003] .... 6693.071171: nvme_setup_cmd: nvme0: qid=0, cmdid=8, nsid=0, flags=0x0, meta=0x0, cmd=(nvme_admin_delete_cq cqid=24) Signed-off-by: Tom Wu Reviewed-by: Max Gurtovoy Reviewed-by: Minwoo Im Reviewed-by: Israel Rukshin Signed-off-by: Christoph Hellwig --- drivers/nvme/host/trace.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'drivers/nvme') diff --git a/drivers/nvme/host/trace.c b/drivers/nvme/host/trace.c index 6980ab827233..9778eb0406b3 100644 --- a/drivers/nvme/host/trace.c +++ b/drivers/nvme/host/trace.c @@ -7,6 +7,17 @@ #include #include "trace.h" +static const char *nvme_trace_delete_sq(struct trace_seq *p, u8 *cdw10) +{ + const char *ret = trace_seq_buffer_ptr(p); + u16 sqid = get_unaligned_le16(cdw10); + + trace_seq_printf(p, "sqid=%u", sqid); + trace_seq_putc(p, 0); + + return ret; +} + static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10) { const char *ret = trace_seq_buffer_ptr(p); @@ -23,6 +34,17 @@ static const char *nvme_trace_create_sq(struct trace_seq *p, u8 *cdw10) return ret; } +static const char *nvme_trace_delete_cq(struct trace_seq *p, u8 *cdw10) +{ + const char *ret = trace_seq_buffer_ptr(p); + u16 cqid = get_unaligned_le16(cdw10); + + trace_seq_printf(p, "cqid=%u", cqid); + trace_seq_putc(p, 0); + + return ret; +} + static const char *nvme_trace_create_cq(struct trace_seq *p, u8 *cdw10) { const char *ret = trace_seq_buffer_ptr(p); @@ -107,8 +129,12 @@ const char *nvme_trace_parse_admin_cmd(struct trace_seq *p, u8 opcode, u8 *cdw10) { switch (opcode) { + case nvme_admin_delete_sq: + return nvme_trace_delete_sq(p, cdw10); case nvme_admin_create_sq: return nvme_trace_create_sq(p, cdw10); + case nvme_admin_delete_cq: + return nvme_trace_delete_cq(p, cdw10); case nvme_admin_create_cq: return nvme_trace_create_cq(p, cdw10); case nvme_admin_identify: -- cgit v1.2.3-55-g7522