| Message ID | 00f9ac47200684b4a0061dce755af0a280ebd648.1296120144.git.chouteau@adacore.com |
|---|---|
| State | New |
| Headers | show |
On 01/27/2011 10:24 AM, Fabien Chouteau wrote: > This backend sends trace events to standard error output during the emulation. > > Also add a "--list-backends" option to tracetool, so configure script can > display the list of available backends. > > Signed-off-by: Fabien Chouteau<chouteau@adacore.com> > --- > configure | 3 +- > docs/tracing.txt | 5 ++++ > scripts/tracetool | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++- > 3 files changed, 65 insertions(+), 3 deletions(-) > > diff --git a/configure b/configure > index 210670c..fcc5a71 100755 > --- a/configure > +++ b/configure > @@ -907,7 +907,8 @@ echo " --enable-docs enable documentation build" > echo " --disable-docs disable documentation build" > echo " --disable-vhost-net disable vhost-net acceleration support" > echo " --enable-vhost-net enable vhost-net acceleration support" > -echo " --enable-trace-backend=B Trace backend nop simple ust dtrace" > +echo " --enable-trace-backend=B Set trace backend" > +echo " Available backends:" $("$source_path"/scripts/tracetool --list-backends) > echo " --with-trace-file=NAME Full PATH,NAME of file to store traces" > echo " Default:trace-<pid>" > echo " --disable-spice disable spice" > diff --git a/docs/tracing.txt b/docs/tracing.txt > index 963c504..21183f9 100644 > --- a/docs/tracing.txt > +++ b/docs/tracing.txt > @@ -133,6 +133,11 @@ source tree. It may not be as powerful as platform-specific or third-party > trace backends but it is portable. This is the recommended trace backend > unless you have specific needs for more advanced backends. > > +=== Stderr === > + > +The "stderr" backend sends trace events directly to standard error output > +during emulation. > + > ==== Monitor commands ==== > > * info trace > diff --git a/scripts/tracetool b/scripts/tracetool > index fce491c..e046683 100755 > --- a/scripts/tracetool > +++ b/scripts/tracetool > @@ -13,12 +13,13 @@ set -f > usage() > { > cat>&2<<EOF > -usage: $0 [--nop | --simple | --ust] [-h | -c] > +usage: $0 [--nop | --simple | --stderr | --ust | --dtrace] [-h | -c] > Generate tracing code for a file on stdin. > > Backends: > --nop Tracing disabled > --simple Simple built-in backend > + --stderr Stderr built-in backend > --ust LTTng User Space Tracing backend > --dtrace DTrace/SystemTAP backend > > @@ -236,6 +237,56 @@ linetoc_end_simple() > EOF > } > > +#STDERR > +linetoh_begin_stderr() > +{ > + cat<<EOF > +#include<stdio.h> > +EOF > +} > + > +linetoh_stderr() > +{ > + local name args argnames argc fmt > + name=$(get_name "$1") > + args=$(get_args "$1") > + argnames=$(get_argnames "$1" ",") > + argc=$(get_argc "$1") > + fmt=$(get_fmt "$1") > + > + if [ "$argc" -gt 0 ]; then > + argnames=", $argnames" > + fi > + > + cat<<EOF > +static inline void trace_$name($args) > +{ > + fprintf(stderr, "$name $fmt\n" $argnames); > +} > +EOF > +} > + > +linetoh_end_stderr() > +{ > +return > +} > + > +linetoc_begin_stderr() > +{ > +return > +} > + > +linetoc_stderr() > +{ > +return > +} > + > +linetoc_end_stderr() > +{ > +return > +} > +#END OF STDERR > + > # Clean up after UST headers which pollute the namespace > ust_clean_namespace() { > cat<<EOF > @@ -546,7 +597,7 @@ targetarch= > until [ -z "$1" ] > do > case "$1" in > - "--nop" | "--simple" | "--ust" | "--dtrace") backend="${1#--}" ;; > + "--nop" | "--simple" | "--stderr" | "--ust" | "--dtrace") backend="${1#--}" ;; > > "--binary") shift ; binary="$1" ;; > "--target-arch") shift ; targetarch="$1" ;; > @@ -557,6 +608,11 @@ do > > "--check-backend") exit 0 ;; # used by ./configure to test for backend > > + "--list-backends") # used by ./configure to list available backends > + echo "nop simple stderr ust dtrace" > + exit 0 > + ;; > + > *) > usage;; > esac Any comment for this version?
On Fri, Jan 28, 2011 at 1:55 PM, Fabien Chouteau <chouteau@adacore.com> wrote: > On 01/27/2011 10:24 AM, Fabien Chouteau wrote: >> >> This backend sends trace events to standard error output during the >> emulation. >> >> Also add a "--list-backends" option to tracetool, so configure script can >> display the list of available backends. >> >> Signed-off-by: Fabien Chouteau<chouteau@adacore.com> >> --- >> configure | 3 +- >> docs/tracing.txt | 5 ++++ >> scripts/tracetool | 60 >> +++++++++++++++++++++++++++++++++++++++++++++++++++- >> 3 files changed, 65 insertions(+), 3 deletions(-) Acked-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Thanks, applied. On Thu, Jan 27, 2011 at 9:24 AM, Fabien Chouteau <chouteau@adacore.com> wrote: > This backend sends trace events to standard error output during the emulation. > > Also add a "--list-backends" option to tracetool, so configure script can > display the list of available backends. > > Signed-off-by: Fabien Chouteau <chouteau@adacore.com> > --- > configure | 3 +- > docs/tracing.txt | 5 ++++ > scripts/tracetool | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++- > 3 files changed, 65 insertions(+), 3 deletions(-) > > diff --git a/configure b/configure > index 210670c..fcc5a71 100755 > --- a/configure > +++ b/configure > @@ -907,7 +907,8 @@ echo " --enable-docs enable documentation build" > echo " --disable-docs disable documentation build" > echo " --disable-vhost-net disable vhost-net acceleration support" > echo " --enable-vhost-net enable vhost-net acceleration support" > -echo " --enable-trace-backend=B Trace backend nop simple ust dtrace" > +echo " --enable-trace-backend=B Set trace backend" > +echo " Available backends:" $("$source_path"/scripts/tracetool --list-backends) > echo " --with-trace-file=NAME Full PATH,NAME of file to store traces" > echo " Default:trace-<pid>" > echo " --disable-spice disable spice" > diff --git a/docs/tracing.txt b/docs/tracing.txt > index 963c504..21183f9 100644 > --- a/docs/tracing.txt > +++ b/docs/tracing.txt > @@ -133,6 +133,11 @@ source tree. It may not be as powerful as platform-specific or third-party > trace backends but it is portable. This is the recommended trace backend > unless you have specific needs for more advanced backends. > > +=== Stderr === > + > +The "stderr" backend sends trace events directly to standard error output > +during emulation. > + > ==== Monitor commands ==== > > * info trace > diff --git a/scripts/tracetool b/scripts/tracetool > index fce491c..e046683 100755 > --- a/scripts/tracetool > +++ b/scripts/tracetool > @@ -13,12 +13,13 @@ set -f > usage() > { > cat >&2 <<EOF > -usage: $0 [--nop | --simple | --ust] [-h | -c] > +usage: $0 [--nop | --simple | --stderr | --ust | --dtrace] [-h | -c] > Generate tracing code for a file on stdin. > > Backends: > --nop Tracing disabled > --simple Simple built-in backend > + --stderr Stderr built-in backend > --ust LTTng User Space Tracing backend > --dtrace DTrace/SystemTAP backend > > @@ -236,6 +237,56 @@ linetoc_end_simple() > EOF > } > > +#STDERR > +linetoh_begin_stderr() > +{ > + cat <<EOF > +#include <stdio.h> > +EOF > +} > + > +linetoh_stderr() > +{ > + local name args argnames argc fmt > + name=$(get_name "$1") > + args=$(get_args "$1") > + argnames=$(get_argnames "$1" ",") > + argc=$(get_argc "$1") > + fmt=$(get_fmt "$1") > + > + if [ "$argc" -gt 0 ]; then > + argnames=", $argnames" > + fi > + > + cat <<EOF > +static inline void trace_$name($args) > +{ > + fprintf(stderr, "$name $fmt\n" $argnames); > +} > +EOF > +} > + > +linetoh_end_stderr() > +{ > +return > +} > + > +linetoc_begin_stderr() > +{ > +return > +} > + > +linetoc_stderr() > +{ > +return > +} > + > +linetoc_end_stderr() > +{ > +return > +} > +#END OF STDERR > + > # Clean up after UST headers which pollute the namespace > ust_clean_namespace() { > cat <<EOF > @@ -546,7 +597,7 @@ targetarch= > until [ -z "$1" ] > do > case "$1" in > - "--nop" | "--simple" | "--ust" | "--dtrace") backend="${1#--}" ;; > + "--nop" | "--simple" | "--stderr" | "--ust" | "--dtrace") backend="${1#--}" ;; > > "--binary") shift ; binary="$1" ;; > "--target-arch") shift ; targetarch="$1" ;; > @@ -557,6 +608,11 @@ do > > "--check-backend") exit 0 ;; # used by ./configure to test for backend > > + "--list-backends") # used by ./configure to list available backends > + echo "nop simple stderr ust dtrace" > + exit 0 > + ;; > + > *) > usage;; > esac > -- > 1.7.1 > > >
diff --git a/configure b/configure index 210670c..fcc5a71 100755 --- a/configure +++ b/configure @@ -907,7 +907,8 @@ echo " --enable-docs enable documentation build" echo " --disable-docs disable documentation build" echo " --disable-vhost-net disable vhost-net acceleration support" echo " --enable-vhost-net enable vhost-net acceleration support" -echo " --enable-trace-backend=B Trace backend nop simple ust dtrace" +echo " --enable-trace-backend=B Set trace backend" +echo " Available backends:" $("$source_path"/scripts/tracetool --list-backends) echo " --with-trace-file=NAME Full PATH,NAME of file to store traces" echo " Default:trace-<pid>" echo " --disable-spice disable spice" diff --git a/docs/tracing.txt b/docs/tracing.txt index 963c504..21183f9 100644 --- a/docs/tracing.txt +++ b/docs/tracing.txt @@ -133,6 +133,11 @@ source tree. It may not be as powerful as platform-specific or third-party trace backends but it is portable. This is the recommended trace backend unless you have specific needs for more advanced backends. +=== Stderr === + +The "stderr" backend sends trace events directly to standard error output +during emulation. + ==== Monitor commands ==== * info trace diff --git a/scripts/tracetool b/scripts/tracetool index fce491c..e046683 100755 --- a/scripts/tracetool +++ b/scripts/tracetool @@ -13,12 +13,13 @@ set -f usage() { cat >&2 <<EOF -usage: $0 [--nop | --simple | --ust] [-h | -c] +usage: $0 [--nop | --simple | --stderr | --ust | --dtrace] [-h | -c] Generate tracing code for a file on stdin. Backends: --nop Tracing disabled --simple Simple built-in backend + --stderr Stderr built-in backend --ust LTTng User Space Tracing backend --dtrace DTrace/SystemTAP backend @@ -236,6 +237,56 @@ linetoc_end_simple() EOF } +#STDERR +linetoh_begin_stderr() +{ + cat <<EOF +#include <stdio.h> +EOF +} + +linetoh_stderr() +{ + local name args argnames argc fmt + name=$(get_name "$1") + args=$(get_args "$1") + argnames=$(get_argnames "$1" ",") + argc=$(get_argc "$1") + fmt=$(get_fmt "$1") + + if [ "$argc" -gt 0 ]; then + argnames=", $argnames" + fi + + cat <<EOF +static inline void trace_$name($args) +{ + fprintf(stderr, "$name $fmt\n" $argnames); +} +EOF +} + +linetoh_end_stderr() +{ +return +} + +linetoc_begin_stderr() +{ +return +} + +linetoc_stderr() +{ +return +} + +linetoc_end_stderr() +{ +return +} +#END OF STDERR + # Clean up after UST headers which pollute the namespace ust_clean_namespace() { cat <<EOF @@ -546,7 +597,7 @@ targetarch= until [ -z "$1" ] do case "$1" in - "--nop" | "--simple" | "--ust" | "--dtrace") backend="${1#--}" ;; + "--nop" | "--simple" | "--stderr" | "--ust" | "--dtrace") backend="${1#--}" ;; "--binary") shift ; binary="$1" ;; "--target-arch") shift ; targetarch="$1" ;; @@ -557,6 +608,11 @@ do "--check-backend") exit 0 ;; # used by ./configure to test for backend + "--list-backends") # used by ./configure to list available backends + echo "nop simple stderr ust dtrace" + exit 0 + ;; + *) usage;; esac
This backend sends trace events to standard error output during the emulation. Also add a "--list-backends" option to tracetool, so configure script can display the list of available backends. Signed-off-by: Fabien Chouteau <chouteau@adacore.com> --- configure | 3 +- docs/tracing.txt | 5 ++++ scripts/tracetool | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++- 3 files changed, 65 insertions(+), 3 deletions(-)