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Kirill Smelkov
bcc
Commits
4ca4e05b
Commit
4ca4e05b
authored
8 years ago
by
Chris Down
Committed by
GitHub
8 years ago
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Merge branch 'master' into failed_opens
parents
8ddcbdf4
0d4f529f
master
x/pinglat
v0.3.0
v0.2.0
No related merge requests found
Changes
2
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2 changed files
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21 additions
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2 deletions
+21
-2
Dockerfile.debian
Dockerfile.debian
+14
-0
tools/fileslower.py
tools/fileslower.py
+7
-2
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Dockerfile.debian
0 → 100644
View file @
4ca4e05b
FROM debian:jessie
RUN apt-key adv --keyserver ha.pool.sks-keyservers.net --recv 15CF4D18AF4F7421 && \
echo "deb http://llvm.org/apt/jessie/ llvm-toolchain-jessie-3.8 main" > /etc/apt/sources.list.d/llvm.list && \
apt-get update && \
apt-get install -y --no-install-recommends build-essential fakeroot bison cmake debhelper devscripts flex git libedit-dev python zlib1g-dev libllvm3.8 llvm-3.8-dev libclang-3.8-dev libelf-dev luajit libluajit-5.1-dev && \
mkdir -p /usr/share/llvm-3.8 && \
ln -s /usr/lib/llvm-3.8/share/llvm/cmake /usr/share/llvm-3.8/cmake
COPY ./ /root/bcc
WORKDIR /root/bcc
RUN ./scripts/build-deb.sh
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tools/fileslower.py
View file @
4ca4e05b
...
...
@@ -187,9 +187,14 @@ b = BPF(text=bpf_text)
# the parent functions, at the cost of more overhead, instead.
# Ultimately, we should be using [V]FS tracepoints.
b
.
attach_kprobe
(
event
=
"__vfs_read"
,
fn_name
=
"trace_read_entry"
)
b
.
attach_kprobe
(
event
=
"__vfs_write"
,
fn_name
=
"trace_write_entry"
)
b
.
attach_kretprobe
(
event
=
"__vfs_read"
,
fn_name
=
"trace_read_return"
)
b
.
attach_kretprobe
(
event
=
"__vfs_write"
,
fn_name
=
"trace_write_return"
)
try
:
b
.
attach_kprobe
(
event
=
"__vfs_write"
,
fn_name
=
"trace_write_entry"
)
b
.
attach_kretprobe
(
event
=
"__vfs_write"
,
fn_name
=
"trace_write_return"
)
except
:
# older kernels don't have __vfs_write so try vfs_write instead
b
.
attach_kprobe
(
event
=
"vfs_write"
,
fn_name
=
"trace_write_entry"
)
b
.
attach_kretprobe
(
event
=
"vfs_write"
,
fn_name
=
"trace_write_return"
)
TASK_COMM_LEN
=
16
# linux/sched.h
DNAME_INLINE_LEN
=
32
# linux/dcache.h
...
...
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