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Merge "bootstat: alias underline to space in bit error rate handling"

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am: 40858e95b6

Change-Id: I8094305ff1b9610f8726d62476a5d5890f024618
This commit is contained in:
Mark Salyzyn 2018-03-16 21:32:27 +00:00 committed by android-build-merger
commit ee3c8e64dc
1 changed files with 23 additions and 17 deletions
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40
bootstat/bootstat.cpp
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@ -468,7 +468,7 @@ class pstoreConsole {
// If bit error match to needle, correct it.
// Return true if any corrections were discovered and applied.
bool correctForBer(std::string& reason, const std::string& needle) {
bool correctForBitError(std::string& reason, const std::string& needle) {
bool corrected = false;
if (reason.length() < needle.length()) return corrected;
const pstoreConsole console(reason);
@ -486,6 +486,20 @@ bool correctForBer(std::string& reason, const std::string& needle) {
return corrected;
}
// If bit error match to needle, correct it.
// Return true if any corrections were discovered and applied.
// Try again if we can replace underline with spaces.
bool correctForBitErrorOrUnderline(std::string& reason, const std::string& needle) {
bool corrected = correctForBitError(reason, needle);
std::string _needle(needle);
std::transform(_needle.begin(), _needle.end(), _needle.begin(),
[](char c) { return (c == '_') ? ' ' : c; });
if (needle != _needle) {
corrected |= correctForBitError(reason, _needle);
}
return corrected;
}
bool addKernelPanicSubReason(const pstoreConsole& console, std::string& ret) {
// Check for kernel panic types to refine information
if ((console.rfind("SysRq : Trigger a crash") != std::string::npos) ||
@ -510,22 +524,14 @@ bool addKernelPanicSubReason(const std::string& content, std::string& ret) {
return addKernelPanicSubReason(pstoreConsole(content), ret);
}
// std::transform Helper callback functions:
// Converts a string value representing the reason the system booted to a
// string complying with Android system standard reason.
char tounderline(char c) {
return ::isblank(c) ? '_' : c;
}
char toprintable(char c) {
return ::isprint(c) ? c : '?';
}
// Cleanup boot_reason regarding acceptable character set
void transformReason(std::string& reason) {
std::transform(reason.begin(), reason.end(), reason.begin(), ::tolower);
std::transform(reason.begin(), reason.end(), reason.begin(), tounderline);
std::transform(reason.begin(), reason.end(), reason.begin(), toprintable);
std::transform(reason.begin(), reason.end(), reason.begin(),
[](char c) { return ::isblank(c) ? '_' : c; });
std::transform(reason.begin(), reason.end(), reason.begin(),
[](char c) { return ::isprint(c) ? c : '?'; });
}
const char system_reboot_reason_property[] = "sys.boot.reason";
@ -632,14 +638,14 @@ std::string BootReasonStrToReason(const std::string& boot_reason) {
std::string subReason(content.substr(pos, max_reason_length));
// Correct against any known strings that Bit Error Match
for (const auto& s : knownReasons) {
correctForBer(subReason, s);
correctForBitErrorOrUnderline(subReason, s);
}
for (const auto& m : kBootReasonMap) {
if (m.first.length() <= strlen("cold")) continue; // too short?
if (correctForBer(subReason, m.first + "'")) continue;
if (correctForBitErrorOrUnderline(subReason, m.first + "'")) continue;
if (m.first.length() <= strlen("reboot,cold")) continue; // short?
if (!android::base::StartsWith(m.first, "reboot,")) continue;
correctForBer(subReason, m.first.substr(strlen("reboot,")) + "'");
correctForBitErrorOrUnderline(subReason, m.first.substr(strlen("reboot,")) + "'");
}
for (pos = 0; pos < subReason.length(); ++pos) {
char c = subReason[pos];
@ -687,7 +693,7 @@ std::string BootReasonStrToReason(const std::string& boot_reason) {
if (pos != std::string::npos) {
digits = content.substr(pos + strlen(battery), strlen("100 "));
// correct common errors
correctForBer(digits, "100 ");
correctForBitError(digits, "100 ");
if (digits[0] == '!') digits[0] = '1';
if (digits[1] == '!') digits[1] = '1';
}