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bootstat: 3.18 kernel does not report "SysRq : Trigger a crash" 

Use an alternate means to determine that the sysrq crash was
requested.  Also, to be CTS compliant, the kernel_panic subreason
must be in lower case.

Test: boot_reason_test.sh
Bug: 74595769
Bug: 63736262
Change-Id: Ica06960ce62d220a909006e365951376d672b7e6
This commit is contained in:
Mark Salyzyn 2018-03-16 08:44:56 -07:00
parent 450b1afcb5
commit 853bb80e58
1 changed files with 7 additions and 3 deletions
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10
bootstat/bootstat.cpp
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@ -30,6 +30,7 @@
#include <map>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include <android-base/chrono_utils.h>
@ -191,7 +192,9 @@ const std::map<std::string, int32_t> kBootReasonMap = {
{"s3_wakeup", 51},
{"kernel_panic,sysrq", 52},
{"kernel_panic,NULL", 53},
{"kernel_panic,null", 53},
{"kernel_panic,BUG", 54},
{"kernel_panic,bug", 54},
{"bootloader", 55},
{"cold", 56},
{"hard", 57},
@ -485,18 +488,19 @@ bool correctForBer(std::string& reason, const std::string& needle) {
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) {
if ((console.rfind("SysRq : Trigger a crash") != std::string::npos) ||
(console.rfind("PC is at sysrq_handle_crash+") != std::string::npos)) {
// Can not happen, except on userdebug, during testing/debugging.
ret = "kernel_panic,sysrq";
return true;
}
if (console.rfind("Unable to handle kernel NULL pointer dereference at virtual address") !=
std::string::npos) {
ret = "kernel_panic,NULL";
ret = "kernel_panic,null";
return true;
}
if (console.rfind("Kernel BUG at ") != std::string::npos) {
ret = "kernel_panic,BUG";
ret = "kernel_panic,bug";
return true;
}
return false;