293 lines
8.8 KiB
Perl
293 lines
8.8 KiB
Perl
#!/usr/bin/env perl
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use strict;
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use warnings;
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use diagnostics;
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use feature 'say';
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my $remote_root = '/home/lab/smchurla/Documents/failnix';
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my $remote_db_conf = "$remote_root/db.conf";
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my $remote_builds_dir = "$remote_root/builds";
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my $remote_runner = "$remote_root/scripts/runner.pl";
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my $db_user = "smchurla";
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my $db_prefix = "$db_user";
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my $fail_server_port = '22941';
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my $resultbrowser_port = '22941';
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my $fail_bin = "$remote_root/fail/bin";
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my $fail_share = "$remote_root/fail/share";
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my $bochs_runner = "$fail_bin/bochs-experiment-runner.py";
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my $fail_trace = "$fail_bin/fail-x86-tracing";
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my $fail_dump = "$fail_bin/dump-trace";
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my $fail_import = "$fail_bin/import-trace";
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my $fail_prune = "$fail_bin/prune-trace";
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my $fail_server = "$fail_bin/generic-experiment-server";
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my $fail_inject = "$fail_bin/generic-experiment-client";
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my $result_browser = "$fail_bin/resultbrowser.py";
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my $ntfy_url = "https://ntfy.vps.chriphost.de";
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my $ntfy_token = "tk_rx8fd6hojuz4ekcb72j7juugkbmga"; # May be public
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my $ntfy_topic = "fail-alerts";
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sub notify {
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my ($msg) = @_;
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system( "curl", "-H", "Authorization: Bearer $ntfy_token",
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"-d", $msg, "$ntfy_url/$ntfy_topic" );
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}
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sub update_db_config {
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my ($experiment) = @_;
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open( my $readhandle, '<', $remote_db_conf )
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or die "failed to open db.conf: $!";
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my @lines;
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my $found = 0;
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while ( my $line = <$readhandle> ) {
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if ( rindex( $line, "database=", 0 ) == 0 ) {
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$line = "database=${db_prefix}_$experiment\n";
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$found = 1;
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}
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push @lines, $line;
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}
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close($readhandle) or die "failed to close db.conf: $!";
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say "Sanity check:";
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say @lines;
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die "no database= line found in $remote_db_conf for some reason"
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unless $found;
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open( my $writehandle, '>', $remote_db_conf )
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or die "failed to open db.conf: $!";
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print( $writehandle, @lines ) or die "failed to write db.conf: $!";
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close($writehandle) or die "failed to close db.conf: $!";
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say "Updated db.conf for database $db_prefix\_$experiment";
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}
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sub cpu_count {
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open( my $handle, "/proc/cpuinfo" ) or die "Can't open cpuinfo: $!\n";
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my $count = scalar( map /^processor/, <$handle> );
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close $handle;
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return $count;
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}
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# Find new experiments
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opendir( my $dhandle, $remote_builds_dir )
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or die "opendir($remote_builds_dir): $!";
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my @experiments = grep { $_ ne '.' && $_ ne '..' && -d "$remote_builds_dir/$_" }
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readdir($dhandle);
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closedir($dhandle);
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sub trace {
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my ($experiment) = @_;
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notify("Tracing $experiment...");
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system(
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$bochs_runner,
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"-V $fail_share/vgabios.bin",
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"-b $fail_share/BIOS-bochs-latest",
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"-1",
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"-f $fail_trace",
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"-e $remote_builds_dir/$experiment/system.elf",
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"-i $remote_builds_dir/$experiment/system.iso",
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"--",
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"-Wf,--start-symbol=fail_start_trace",
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"-Wf,--save-symbol=fail_start_trace",
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"-Wf,--end-symbol=fail_stop_trace",
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"-Wf,--state-file=$remote_builds_dir/$experiment/state",
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"-Wf,--trace-file=$remote_builds_dir/$experiment/trace.pb",
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"-Wf,--elf-file=$remote_builds_dir/$experiment/system.elf"
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);
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notify("Tracing $experiment complete.");
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}
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sub import_trace {
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my ($experiment) = @_;
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notify("Importing $experiment trace...");
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system(
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"$fail_import",
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"--database-option-file $remote_db_conf",
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"-t $remote_builds_dir/$experiment/trace.pb",
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"-i MemoryImporter",
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"-e $remote_builds_dir/$experiment/system.elf",
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"-v $experiment",
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"-b mem"
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);
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system(
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"$fail_import",
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"--database-option-file $remote_db_conf",
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"-t $remote_builds_dir/$experiment/trace.pb",
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"-i RegisterImporter",
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"-e $remote_builds_dir/$experiment/system.elf",
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"-v $experiment",
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"-b regs --flags"
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);
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system(
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"$fail_import",
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"--database-option-file $remote_db_conf",
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"-t $remote_builds_dir/$experiment/trace.pb",
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"-i RegisterImporter",
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"-e $remote_builds_dir/$experiment/system.elf",
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"-v $experiment",
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"-b ip --no-gp --ip"
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);
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system(
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"$fail_import",
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"--database-option-file $remote_db_conf",
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"-t $remote_builds_dir/$experiment/trace.pb",
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"-i ElfImporter",
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"--objdump objdump -e $remote_builds_dir/$experiment/system.elf",
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"-v $experiment",
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"-b ip"
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);
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system(
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"$fail_import",
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"--database-option-file $remote_db_conf",
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"-t $remote_builds_dir/$experiment/trace.pb",
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"-i ElfImporter",
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"--objdump objdump -e $remote_builds_dir/$experiment/system.elf",
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"-v $experiment",
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"-b mem"
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);
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system(
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"$fail_import",
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"--database-option-file $remote_db_conf",
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"-t $remote_builds_dir/$experiment/trace.pb",
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"-i ElfImporter",
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"--objdump objdump -e $remote_builds_dir/$experiment/system.elf",
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"-v $experiment",
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"-b regs"
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);
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system(
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"$fail_prune",
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"--database-option-file $remote_db_conf",
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"-v $experiment",
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"-b %%", "--overwrite"
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);
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notify("Importing $experiment trace complete.");
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}
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sub inject {
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my ($experiment) = @_;
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notify("Injecting $experiment...");
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my $pid = fork();
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die "fork failed: $!" unless defined $pid;
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if ( $pid == 0 ) {
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# child -> server
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exec(
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$fail_server,
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"--port $fail_server_port",
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"--database-option-file $remote_db_conf",
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"-v $experiment",
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"-b %",
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"--inject-single-bit",
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"--inject-registers"
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) or die "exec server failed: $!";
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}
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# parent -> client
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my $count = cpu_count();
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system(
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"nice",
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$bochs_runner,
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"-V $fail_share/vgabios.bin",
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"-b $fail_share/BIOS-bochs-latest",
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"-f $fail_inject",
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"-e $remote_builds_dir/$experiment/system.elf",
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"-i $remote_builds_dir/$experiment/system.iso",
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"-j $count",
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"--",
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"-Wf,--server-port=$fail_server_port",
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"-Wf,--state-dir=$remote_builds_dir/$experiment/state",
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"-Wf,--trap",
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"-Wf,--catch-outerspace",
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# "-Wf,--catch-write-textsegment",
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"-Wf,--timeout=500000",
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"-Wf,--ok-marker=fail_marker_positive",
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"-Wf,--fail-marker=fail_marker_negative",
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"-Wf,--detected-marker=fail_marker_detected",
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"> /dev/null"
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) or die "client failed: $?";
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kill 'TERM', $pid;
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waitpid( $pid, 0 );
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notify("Injecting $experiment complete.");
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}
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# TODO: Add a function that accepts query + output file args
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sub results {
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my ($experiment) = @_;
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my $results_overview_query = "SELECT
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variant, benchmark, resulttype, sum(t.time2 - t.time1 + 1) as faults
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FROM variant v
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JOIN trace t ON v.id = t.variant_id
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JOIN fspgroup g ON g.variant_id = t.variant_id AND g.instr2 = t.instr2 AND g.data_address = t.data_address
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JOIN result_GenericExperimentMessage r ON r.pilot_id = g.pilot_id
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JOIN fsppilot p ON r.pilot_id = p.id
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WHERE v.variant = '$experiment'
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GROUP BY v.id, resulttype
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ORDER BY variant, benchmark, resulttype;";
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my $results_overview = qx{
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mariadb --defaults-file=$remote_db_conf -t -e "$results_overview_query"
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};
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die "Query failed: $?" if $? != 0;
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open( my $results_overview_handle,
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'>', "$remote_builds_dir/$experiment/results.txt" )
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or die "failed to open file: $!";
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print( $results_overview_handle, $results_overview );
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close($results_overview_handle) or die "failed to close file: $!";
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my $fail_markers_query = "SELECT
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CONCAT('0x', HEX(p.injection_instr_absolute)) AS fault_address,
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SUM(t.time2 - t.time1 + 1) AS total_fail_markers
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FROM trace t
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JOIN variant v ON v.id = t.variant_id
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JOIN fspgroup g ON g.variant_id = t.variant_id AND g.instr2 = t.instr2 AND g.data_address = t.data_address
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JOIN result_GenericExperimentMessage r ON r.pilot_id = g.pilot_id
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JOIN fsppilot p ON p.id = r.pilot_id
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WHERE v.variant = '$experiment' AND r.resulttype = 'FAIL_MARKER'
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GROUP BY p.injection_instr_absolute
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ORDER BY SUM(t.time2 - t.time1 + 1) DESC;";
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my $fail_markers = qx{
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mariadb --defaults-file=$remote_db_conf --batch --raw -e "$fail_markers_query"
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};
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die "Query failed: $?" if $? != 0;
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$fail_markers =~ s/\t/,/g;
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open( my $fail_markers_handle,
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'>', "$remote_builds_dir/$experiment/markers.csv" )
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or die "failed to open file: $!";
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print( $fail_markers_handle, $fail_markers );
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close($fail_markers_handle) or die "failed to close file: $!";
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}
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# Run experiments
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for my $experiment (@experiments) {
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update_db_config($experiment);
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trace($experiment);
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import_trace($experiment);
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inject($experiment);
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results($experiment);
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}
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