bcc/tools: remove unused signal handlers

Several top tools defined signal handler, but not used. They work well without signal handler, so just remove it. Signed-off-by: Hengqi Chen <[email protected]>
githubTang-T · Jul 15, 2021 · b057641 · b057641
1 parent 8b09996
commit b057641
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diff --git a/tools/biotop.py b/tools/biotop.py
@@ -18,7 +18,6 @@
 from bcc import BPF
 from time import sleep, strftime
 import argparse
-import signal
 from subprocess import call
 
 # arguments
@@ -52,10 +51,6 @@
 loadavg = "/proc/loadavg"
 diskstats = "/proc/diskstats"
 
-# signal handler
-def signal_ignore(signal_value, frame):
- print()
-
 # load BPF program
 bpf_text = """
 #include <uapi/linux/ptrace.h>

diff --git a/tools/filetop.py b/tools/filetop.py
@@ -17,7 +17,6 @@
 from bcc import BPF
 from time import sleep, strftime
 import argparse
-import signal
 from subprocess import call
 
 # arguments
@@ -59,10 +58,6 @@
 # linux stats
 loadavg = "/proc/loadavg"
 
-# signal handler
-def signal_ignore(signal_value, frame):
- print()
-
 # define BPF program
 bpf_text = """
 #include <uapi/linux/ptrace.h>

diff --git a/tools/slabratetop.py b/tools/slabratetop.py
@@ -20,7 +20,6 @@
 from bcc.utils import printb
 from time import sleep, strftime
 import argparse
-import signal
 from subprocess import call
 
 # arguments
@@ -54,10 +53,6 @@
 # linux stats
 loadavg = "/proc/loadavg"
 
-# signal handler
-def signal_ignore(signal, frame):
- print()
-
 # define BPF program
 bpf_text = """
 #include <uapi/linux/ptrace.h>