From mboxrd@z Thu Jan 1 00:00:00 1970 From: Simon Glass Date: Fri, 25 May 2018 20:07:12 -0600 Subject: [U-Boot] [PATCH 3/6] common: iotrace: add timestamp to iotrace records In-Reply-To: <20180525104128.7990-4-ramon.fried@gmail.com> References: <20180525104128.7990-1-ramon.fried@gmail.com> <20180525104128.7990-4-ramon.fried@gmail.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de HI Ramon, On 25 May 2018 at 04:41, Ramon Fried wrote: > Add timestamp to each iotrace record to aid in debugging > of IO timing access bugs. > > Signed-off-by: Ramon Fried > --- > common/iotrace.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/common/iotrace.c b/common/iotrace.c > index f39885663a..3530688ab1 100644 > --- a/common/iotrace.c > +++ b/common/iotrace.c > @@ -27,11 +27,13 @@ enum iotrace_flags { > * struct iotrace_record - Holds a single I/O trace record > * > * @flags: I/O access type > + * @timestamp: Timestamp of access > * @addr: Address of access > * @value: Value written or read > */ > struct iotrace_record { > enum iotrace_flags flags; > + u64 timestamp; > phys_addr_t addr; > iovalue_t value; > }; > @@ -82,6 +84,7 @@ static void add_record(int flags, const void *ptr, ulong value) > sizeof(value)); > } > > + rec->timestamp = get_ticks(); Would it not be better to use timer_get_us() here? > rec->flags = flags; > rec->addr = map_to_sysmem(ptr); > rec->value = value; > -- > 2.17.0 > Regards, Simon