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-rwxr-xr-xtools/kvm/kvm_stat/kvm_stat37
-rw-r--r--tools/kvm/kvm_stat/kvm_stat.txt2
2 files changed, 34 insertions, 5 deletions
diff --git a/tools/kvm/kvm_stat/kvm_stat b/tools/kvm/kvm_stat/kvm_stat
index a9e7ea612e7f..6838de38ecb5 100755
--- a/tools/kvm/kvm_stat/kvm_stat
+++ b/tools/kvm/kvm_stat/kvm_stat
@@ -1018,6 +1018,30 @@ class Tui(object):
self.screen.addstr(4, 1, 'No matching events reported yet')
self.screen.refresh()
+ def show_help_interactive(self):
+ """Display help with list of interactive commands"""
+ msg = (' c clear filter',
+ ' f filter by regular expression',
+ ' g filter by guest name',
+ ' h display interactive commands reference',
+ ' p filter by PID',
+ ' q quit',
+ ' r reset stats',
+ ' x toggle reporting of stats for individual child trace'
+ ' events',
+ 'Any other key refreshes statistics immediately')
+ curses.cbreak()
+ self.screen.erase()
+ self.screen.addstr(0, 0, "Interactive commands reference",
+ curses.A_BOLD)
+ self.screen.addstr(2, 0, "Press any key to exit", curses.A_STANDOUT)
+ row = 4
+ for line in msg:
+ self.screen.addstr(row, 0, line)
+ row += 1
+ self.screen.getkey()
+ self.refresh_header()
+
def show_filter_selection(self):
"""Draws filter selection mask.
@@ -1142,10 +1166,6 @@ class Tui(object):
sleeptime = DELAY_REGULAR
try:
char = self.screen.getkey()
- if char == 'x':
- self.update_drilldown()
- if char == 'q':
- break
if char == 'c':
self.stats.fields_filter = DEFAULT_REGEX
self.refresh_header(0)
@@ -1160,13 +1180,19 @@ class Tui(object):
self.show_vm_selection_by_guest_name()
curses.curs_set(0)
sleeptime = DELAY_INITIAL
+ if char == 'h':
+ self.show_help_interactive()
if char == 'p':
curses.curs_set(1)
self.show_vm_selection_by_pid()
curses.curs_set(0)
sleeptime = DELAY_INITIAL
+ if char == 'q':
+ break
if char == 'r':
self.stats.reset()
+ if char == 'x':
+ self.update_drilldown()
except KeyboardInterrupt:
break
except curses.error:
@@ -1237,10 +1263,11 @@ Interactive Commands:
c clear filter
f filter by regular expression
g filter by guest name
+ h display interactive commands reference
p filter by PID
q quit
- x toggle reporting of stats for individual child trace events
r reset stats
+ x toggle reporting of stats for individual child trace events
Press any other key to refresh statistics immediately.
"""
diff --git a/tools/kvm/kvm_stat/kvm_stat.txt b/tools/kvm/kvm_stat/kvm_stat.txt
index 109431bdc63c..2bad6f22183b 100644
--- a/tools/kvm/kvm_stat/kvm_stat.txt
+++ b/tools/kvm/kvm_stat/kvm_stat.txt
@@ -35,6 +35,8 @@ INTERACTIVE COMMANDS
*g*:: filter by guest name
+*h*:: display interactive commands reference
+
*p*:: filter by PID
*q*:: quit