Re: [PATCH powerdebug] clock: show only active clocks
thanks Sebastian
On Wednesday 08 May 2013 04:12 AM, Sebastian Capella wrote:
Hi Sanjay,
Also, clock tree dump (using powerdebug -dc) does not show the clock
info anymore with this change.
Thanks,
Ack, will take care in next patch.
Sebastian
On 7 May 2013 15:05, Sebastian Capella mailto:sebastian.cape...@linaro.org>> wrote:
The original clock display in powerdebug would expand and collapse
subtrees in the clock heirarchy using the enter key. If we continue
along the lines you're following, you'll want to override the
actions in clock_select to do nothing as they're currently trying to
expand the subtree which is causing the segfault we see now.
ditto
You may instead want to change it so that the new active clock
display works as you've done, but the unfiltered display works like
the original version with expanded and collapsed subtrees. This
will require a bit more rework, but as it stands, the addition of
the active clock view substantially changes the behavior of the full
clock view. Was this intentional?
The requirement as per the blueprint is to show *ONLY* the active clocks
in the window. I thought it will be good to keep all clock info also, so
added that part.
Thanks,
Sebastian
On 7 May 2013 10:19, Sanjay Singh Rawat mailto:sanjay.ra...@linaro.org>> wrote:
On Monday 06 May 2013 09:36 PM, Mike Turquette wrote:
Quoting Sanjay Singh Rawat (2013-05-04 13:27:58)
- use the clk_summary file of CCF for showing clocks
- add option to show active or all clocks
Signed-off-by: Sanjay Singh Rawat
mailto:sanjay.ra...@linaro.org>>
clk_dump gives a JSON-formatted description of the clock
tree, so it is
a bit more machine readable than clk_summary. Also if you
wanted to
actually represent a tree structure then clk_dump would be a
better
starting point than using clk_summary, which does not include
parent-child relationship information.
Regards,
Mike
thanks Mike
- The way the clocks are displayed with this patch, the
alignment takes care of the parent/child relationship.
- The format of the content doesn't matter here IIUC, as anyway
we have to parse the content and show it in the clock window.
---
clocks.c | 62
++__+++---__-
display.c |3 +++
display.h |1 +
3 files changed, 54 insertions(+), 12 deletions(-)
diff --git a/clocks.c b/clocks.c
index 95acf57..a0510b4 100644
--- a/clocks.c
+++ b/clocks.c
@@ -287,9 +287,8 @@ static int clock_print_header(void)
int ret;
if(clock_fw == CCF) {
- if (asprintf(&buf, "%-35s %-10s %-12s
%-10s %-11s %-15s %-14s %-14s",
-"Name", "Flags", "Rate",
"Usecount", "Children", "Prepare_Count",
-"Enable_Count", "Notifier_Count") < 0)
+ if (asprintf(&buf, "%-30s %-10s %-12s
%-10s (clock toggle key-'c')",
+"Name", "Enable_Count",
"Prepare_Count", "Rate") < 0)
return -1;
}
else {
@@ -297,23 +296,57 @@ static int clock_print_header(void)
"Name", "Flags", "Rate",
"Usecount", "Children") < 0)
return -1;
}
-
ret = display_column_name(buf);
-
free(buf);
return ret;
}
+/*
+ * Display clocks by refering the clk_summary file of CCF
+ */
+static int display_clk_summary()
+{
+FILE *fp;
+char line[256];
+int afterheader;
+char clock[30];
+int enable_cnt,prepare_cnt,rate;
+
+afterheader = 0;
+fp =
fopen("/sys/kernel/debug/clk/__clk_summary","r");
+if (fp == NULL) {
+printf("error: failed to open clock
tree file\n");
+return -1;
+}
+
+while (NULL != fgets(line,256,fp)) {
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